278316990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1439}}^1$

素因数の和:1766

約数の個数: 96

約数和(自身を含む): 830269440

約数和(自身を除く): 551952450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 307, 315, 614, 630, 921, 1439, 1535, 1842, 2149, 2763, 2878, 3070, 4298, 4317, 4605, 5526, 6447, 7195, 8634, 9210, 10073, 10745, 12894, 12951, 13815, 14390, 19341, 20146, 21490, 21585, 25902, 27630, 30219, 32235, 38682, 43170, 50365, 60438, 64470, 64755, 90657, 96705, 100730, 129510, 151095, 181314, 193410, 302190, 441773, 453285, 883546, 906570, 1325319, 2208865, 2650638, 3092411, 3975957, 4417730, 6184822, 6626595, 7951914, 9277233, 13253190, 15462055, 18554466, 19879785, 27831699, 30924110, 39759570, 46386165, 55663398, 92772330, 139158495, 278316990]

約数ペア:

[(1, 278316990), (2, 139158495), (3, 92772330), (5, 55663398), (6, 46386165), (7, 39759570), (9, 30924110), (10, 27831699), (14, 19879785), (15, 18554466), (18, 15462055), (21, 13253190), (30, 9277233), (35, 7951914), (42, 6626595), (45, 6184822), (63, 4417730), (70, 3975957), (90, 3092411), (105, 2650638), (126, 2208865), (210, 1325319), (307, 906570), (315, 883546), (614, 453285), (630, 441773), (921, 302190), (1439, 193410), (1535, 181314), (1842, 151095), (2149, 129510), (2763, 100730), (2878, 96705), (3070, 90657), (4298, 64755), (4317, 64470), (4605, 60438), (5526, 50365), (6447, 43170), (7195, 38682), (8634, 32235), (9210, 30219), (10073, 27630), (10745, 25902), (12894, 21585), (12951, 21490), (13815, 20146), (14390, 19341)]