1397970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{317}}^1$

素因数の和:344

約数の個数: 72

約数和(自身を含む): 4241484

約数和(自身を除く): 2843514

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 317, 441, 490, 630, 634, 735, 882, 951, 1470, 1585, 1902, 2205, 2219, 2853, 3170, 4410, 4438, 4755, 5706, 6657, 9510, 11095, 13314, 14265, 15533, 19971, 22190, 28530, 31066, 33285, 39942, 46599, 66570, 77665, 93198, 99855, 139797, 155330, 199710, 232995, 279594, 465990, 698985, 1397970]

約数ペア:

[(1, 1397970), (2, 698985), (3, 465990), (5, 279594), (6, 232995), (7, 199710), (9, 155330), (10, 139797), (14, 99855), (15, 93198), (18, 77665), (21, 66570), (30, 46599), (35, 39942), (42, 33285), (45, 31066), (49, 28530), (63, 22190), (70, 19971), (90, 15533), (98, 14265), (105, 13314), (126, 11095), (147, 9510), (210, 6657), (245, 5706), (294, 4755), (315, 4438), (317, 4410), (441, 3170), (490, 2853), (630, 2219), (634, 2205), (735, 1902), (882, 1585), (951, 1470)]