389506010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 746993664

約数和(自身を除く): 357487654

約数列:

[1, 2, 5, 10, 31, 53, 62, 106, 151, 155, 157, 265, 302, 310, 314, 530, 755, 785, 1510, 1570, 1643, 3286, 4681, 4867, 8003, 8215, 8321, 9362, 9734, 16006, 16430, 16642, 23405, 23707, 24335, 40015, 41605, 46810, 47414, 48670, 80030, 83210, 118535, 237070, 248093, 257951, 496186, 515902, 734917, 1240465, 1256471, 1289755, 1469834, 2480930, 2512942, 2579510, 3674585, 6282355, 7349170, 12564710, 38950601, 77901202, 194753005, 389506010]

約数ペア:

[(1, 389506010), (2, 194753005), (5, 77901202), (10, 38950601), (31, 12564710), (53, 7349170), (62, 6282355), (106, 3674585), (151, 2579510), (155, 2512942), (157, 2480930), (265, 1469834), (302, 1289755), (310, 1256471), (314, 1240465), (530, 734917), (755, 515902), (785, 496186), (1510, 257951), (1570, 248093), (1643, 237070), (3286, 118535), (4681, 83210), (4867, 80030), (8003, 48670), (8215, 47414), (8321, 46810), (9362, 41605), (9734, 40015), (16006, 24335), (16430, 23707), (16642, 23405)]