39943890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 192

約数和(自身を含む): 129392640

約数和(自身を除く): 89448750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 47, 57, 63, 70, 71, 90, 94, 95, 105, 114, 126, 133, 141, 142, 171, 190, 210, 213, 235, 266, 282, 285, 315, 329, 342, 355, 399, 423, 426, 470, 497, 570, 630, 639, 658, 665, 705, 710, 798, 846, 855, 893, 987, 994, 1065, 1197, 1278, 1330, 1349, 1410, 1491, 1645, 1710, 1786, 1974, 1995, 2115, 2130, 2394, 2485, 2679, 2698, 2961, 2982, 3195, 3290, 3337, 3990, 4047, 4230, 4465, 4473, 4935, 4970, 5358, 5922, 5985, 6251, 6390, 6674, 6745, 7455, 8037, 8094, 8930, 8946, 9443, 9870, 10011, 11970, 12141, 12502, 13395, 13490, 14805, 14910, 16074, 16685, 18753, 18886, 20022, 20235, 22365, 23359, 24282, 26790, 28329, 29610, 30033, 31255, 33370, 37506, 40185, 40470, 44730, 46718, 47215, 50055, 56259, 56658, 60066, 60705, 62510, 63403, 70077, 80370, 84987, 93765, 94430, 100110, 112518, 116795, 121410, 126806, 140154, 141645, 150165, 169974, 187530, 190209, 210231, 233590, 281295, 283290, 300330, 317015, 350385, 380418, 420462, 424935, 443821, 562590, 570627, 634030, 700770, 849870, 887642, 951045, 1051155, 1141254, 1331463, 1902090, 2102310, 2219105, 2662926, 2853135, 3994389, 4438210, 5706270, 6657315, 7988778, 13314630, 19971945, 39943890]

約数ペア:

[(1, 39943890), (2, 19971945), (3, 13314630), (5, 7988778), (6, 6657315), (7, 5706270), (9, 4438210), (10, 3994389), (14, 2853135), (15, 2662926), (18, 2219105), (19, 2102310), (21, 1902090), (30, 1331463), (35, 1141254), (38, 1051155), (42, 951045), (45, 887642), (47, 849870), (57, 700770), (63, 634030), (70, 570627), (71, 562590), (90, 443821), (94, 424935), (95, 420462), (105, 380418), (114, 350385), (126, 317015), (133, 300330), (141, 283290), (142, 281295), (171, 233590), (190, 210231), (210, 190209), (213, 187530), (235, 169974), (266, 150165), (282, 141645), (285, 140154), (315, 126806), (329, 121410), (342, 116795), (355, 112518), (399, 100110), (423, 94430), (426, 93765), (470, 84987), (497, 80370), (570, 70077), (630, 63403), (639, 62510), (658, 60705), (665, 60066), (705, 56658), (710, 56259), (798, 50055), (846, 47215), (855, 46718), (893, 44730), (987, 40470), (994, 40185), (1065, 37506), (1197, 33370), (1278, 31255), (1330, 30033), (1349, 29610), (1410, 28329), (1491, 26790), (1645, 24282), (1710, 23359), (1786, 22365), (1974, 20235), (1995, 20022), (2115, 18886), (2130, 18753), (2394, 16685), (2485, 16074), (2679, 14910), (2698, 14805), (2961, 13490), (2982, 13395), (3195, 12502), (3290, 12141), (3337, 11970), (3990, 10011), (4047, 9870), (4230, 9443), (4465, 8946), (4473, 8930), (4935, 8094), (4970, 8037), (5358, 7455), (5922, 6745), (5985, 6674), (6251, 6390)]