201999420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 240

約数和(自身を含む): 741565440

約数和(自身を除く): 539566020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 81, 84, 90, 94, 105, 108, 126, 135, 140, 141, 162, 180, 188, 189, 210, 235, 252, 270, 282, 315, 324, 329, 378, 379, 405, 420, 423, 470, 540, 564, 567, 630, 658, 705, 756, 758, 810, 846, 940, 945, 987, 1134, 1137, 1260, 1269, 1316, 1410, 1516, 1620, 1645, 1692, 1890, 1895, 1974, 2115, 2268, 2274, 2538, 2653, 2820, 2835, 2961, 3290, 3411, 3780, 3790, 3807, 3948, 4230, 4548, 4935, 5076, 5306, 5670, 5685, 5922, 6345, 6580, 6822, 7580, 7614, 7959, 8460, 8883, 9870, 10233, 10612, 11340, 11370, 11844, 12690, 13265, 13644, 14805, 15228, 15918, 17055, 17766, 17813, 19035, 19740, 20466, 22740, 23877, 25380, 26530, 26649, 29610, 30699, 31836, 34110, 35532, 35626, 38070, 39795, 40932, 44415, 47754, 51165, 53060, 53298, 53439, 59220, 61398, 68220, 71252, 71631, 76140, 79590, 88830, 89065, 95508, 102330, 106596, 106878, 119385, 122796, 124691, 133245, 143262, 153495, 159180, 160317, 177660, 178130, 204660, 213756, 214893, 238770, 249382, 266490, 267195, 286524, 306990, 320634, 356260, 358155, 374073, 429786, 477540, 480951, 498764, 532980, 534390, 613980, 623455, 641268, 716310, 748146, 801585, 859572, 961902, 1068780, 1074465, 1122219, 1246910, 1432620, 1442853, 1496292, 1603170, 1870365, 1923804, 2148930, 2244438, 2404755, 2493820, 2885706, 3206340, 3366657, 3740730, 4297860, 4488876, 4809510, 5611095, 5771412, 6733314, 7214265, 7481460, 9619020, 10099971, 11222190, 13466628, 14428530, 16833285, 20199942, 22444380, 28857060, 33666570, 40399884, 50499855, 67333140, 100999710, 201999420]

約数ペア:

[(1, 201999420), (2, 100999710), (3, 67333140), (4, 50499855), (5, 40399884), (6, 33666570), (7, 28857060), (9, 22444380), (10, 20199942), (12, 16833285), (14, 14428530), (15, 13466628), (18, 11222190), (20, 10099971), (21, 9619020), (27, 7481460), (28, 7214265), (30, 6733314), (35, 5771412), (36, 5611095), (42, 4809510), (45, 4488876), (47, 4297860), (54, 3740730), (60, 3366657), (63, 3206340), (70, 2885706), (81, 2493820), (84, 2404755), (90, 2244438), (94, 2148930), (105, 1923804), (108, 1870365), (126, 1603170), (135, 1496292), (140, 1442853), (141, 1432620), (162, 1246910), (180, 1122219), (188, 1074465), (189, 1068780), (210, 961902), (235, 859572), (252, 801585), (270, 748146), (282, 716310), (315, 641268), (324, 623455), (329, 613980), (378, 534390), (379, 532980), (405, 498764), (420, 480951), (423, 477540), (470, 429786), (540, 374073), (564, 358155), (567, 356260), (630, 320634), (658, 306990), (705, 286524), (756, 267195), (758, 266490), (810, 249382), (846, 238770), (940, 214893), (945, 213756), (987, 204660), (1134, 178130), (1137, 177660), (1260, 160317), (1269, 159180), (1316, 153495), (1410, 143262), (1516, 133245), (1620, 124691), (1645, 122796), (1692, 119385), (1890, 106878), (1895, 106596), (1974, 102330), (2115, 95508), (2268, 89065), (2274, 88830), (2538, 79590), (2653, 76140), (2820, 71631), (2835, 71252), (2961, 68220), (3290, 61398), (3411, 59220), (3780, 53439), (3790, 53298), (3807, 53060), (3948, 51165), (4230, 47754), (4548, 44415), (4935, 40932), (5076, 39795), (5306, 38070), (5670, 35626), (5685, 35532), (5922, 34110), (6345, 31836), (6580, 30699), (6822, 29610), (7580, 26649), (7614, 26530), (7959, 25380), (8460, 23877), (8883, 22740), (9870, 20466), (10233, 19740), (10612, 19035), (11340, 17813), (11370, 17766), (11844, 17055), (12690, 15918), (13265, 15228), (13644, 14805)]