318481600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6421}}^1$

素因数の和:6474

約数の個数: 84

約数和(自身を含む): 809069248

約数和(自身を除く): 490587648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 6421, 9920, 12400, 12842, 24800, 25684, 32105, 49600, 51368, 64210, 102736, 128420, 160525, 199051, 205472, 256840, 321050, 398102, 410944, 513680, 642100, 796204, 995255, 1027360, 1284200, 1592408, 1990510, 2054720, 2568400, 3184816, 3981020, 4976275, 5136800, 6369632, 7962040, 9952550, 10273600, 12739264, 15924080, 19905100, 31848160, 39810200, 63696320, 79620400, 159240800, 318481600]

約数ペア:

[(1, 318481600), (2, 159240800), (4, 79620400), (5, 63696320), (8, 39810200), (10, 31848160), (16, 19905100), (20, 15924080), (25, 12739264), (31, 10273600), (32, 9952550), (40, 7962040), (50, 6369632), (62, 5136800), (64, 4976275), (80, 3981020), (100, 3184816), (124, 2568400), (155, 2054720), (160, 1990510), (200, 1592408), (248, 1284200), (310, 1027360), (320, 995255), (400, 796204), (496, 642100), (620, 513680), (775, 410944), (800, 398102), (992, 321050), (1240, 256840), (1550, 205472), (1600, 199051), (1984, 160525), (2480, 128420), (3100, 102736), (4960, 64210), (6200, 51368), (6421, 49600), (9920, 32105), (12400, 25684), (12842, 24800)]