201998940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 144

約数和(自身を含む): 668497536

約数和(自身を除く): 466498596

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 169, 195, 220, 260, 286, 330, 338, 390, 429, 507, 572, 660, 676, 715, 780, 845, 858, 1014, 1430, 1690, 1716, 1811, 1859, 2028, 2145, 2535, 2860, 3380, 3622, 3718, 4290, 5070, 5433, 5577, 7244, 7436, 8580, 9055, 9295, 10140, 10866, 11154, 18110, 18590, 19921, 21732, 22308, 23543, 27165, 27885, 36220, 37180, 39842, 47086, 54330, 55770, 59763, 70629, 79684, 94172, 99605, 108660, 111540, 117715, 119526, 141258, 199210, 235430, 239052, 258973, 282516, 298815, 306059, 353145, 398420, 470860, 517946, 597630, 612118, 706290, 776919, 918177, 1035892, 1195260, 1224236, 1294865, 1412580, 1530295, 1553838, 1836354, 2589730, 3060590, 3107676, 3366649, 3672708, 3884595, 4590885, 5179460, 6121180, 6733298, 7769190, 9181770, 10099947, 13466596, 15538380, 16833245, 18363540, 20199894, 33666490, 40399788, 50499735, 67332980, 100999470, 201998940]

約数ペア:

[(1, 201998940), (2, 100999470), (3, 67332980), (4, 50499735), (5, 40399788), (6, 33666490), (10, 20199894), (11, 18363540), (12, 16833245), (13, 15538380), (15, 13466596), (20, 10099947), (22, 9181770), (26, 7769190), (30, 6733298), (33, 6121180), (39, 5179460), (44, 4590885), (52, 3884595), (55, 3672708), (60, 3366649), (65, 3107676), (66, 3060590), (78, 2589730), (110, 1836354), (130, 1553838), (132, 1530295), (143, 1412580), (156, 1294865), (165, 1224236), (169, 1195260), (195, 1035892), (220, 918177), (260, 776919), (286, 706290), (330, 612118), (338, 597630), (390, 517946), (429, 470860), (507, 398420), (572, 353145), (660, 306059), (676, 298815), (715, 282516), (780, 258973), (845, 239052), (858, 235430), (1014, 199210), (1430, 141258), (1690, 119526), (1716, 117715), (1811, 111540), (1859, 108660), (2028, 99605), (2145, 94172), (2535, 79684), (2860, 70629), (3380, 59763), (3622, 55770), (3718, 54330), (4290, 47086), (5070, 39842), (5433, 37180), (5577, 36220), (7244, 27885), (7436, 27165), (8580, 23543), (9055, 22308), (9295, 21732), (10140, 19921), (10866, 18590), (11154, 18110)]