278344140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 796594176

約数和(自身を除く): 518250036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 223, 284, 293, 355, 426, 446, 586, 669, 710, 852, 879, 892, 1065, 1115, 1172, 1338, 1420, 1465, 1758, 2130, 2230, 2676, 2930, 3345, 3516, 4260, 4395, 4460, 5860, 6690, 8790, 13380, 15833, 17580, 20803, 31666, 41606, 47499, 62409, 63332, 65339, 79165, 83212, 94998, 104015, 124818, 130678, 158330, 189996, 196017, 208030, 237495, 249636, 261356, 312045, 316660, 326695, 392034, 416060, 474990, 624090, 653390, 784068, 949980, 980085, 1248180, 1306780, 1960170, 3920340, 4639069, 9278138, 13917207, 18556276, 23195345, 27834414, 46390690, 55668828, 69586035, 92781380, 139172070, 278344140]

約数ペア:

[(1, 278344140), (2, 139172070), (3, 92781380), (4, 69586035), (5, 55668828), (6, 46390690), (10, 27834414), (12, 23195345), (15, 18556276), (20, 13917207), (30, 9278138), (60, 4639069), (71, 3920340), (142, 1960170), (213, 1306780), (223, 1248180), (284, 980085), (293, 949980), (355, 784068), (426, 653390), (446, 624090), (586, 474990), (669, 416060), (710, 392034), (852, 326695), (879, 316660), (892, 312045), (1065, 261356), (1115, 249636), (1172, 237495), (1338, 208030), (1420, 196017), (1465, 189996), (1758, 158330), (2130, 130678), (2230, 124818), (2676, 104015), (2930, 94998), (3345, 83212), (3516, 79165), (4260, 65339), (4395, 63332), (4460, 62409), (5860, 47499), (6690, 41606), (8790, 31666), (13380, 20803), (15833, 17580)]