197894080

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19949}}^1$

素因数の和:19997

約数の個数: 56

約数和(自身を含む): 486460800

約数和(自身を除く): 288566720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 19949, 39898, 79796, 99745, 159592, 199490, 319184, 398980, 618419, 638368, 797960, 1236838, 1276736, 1595920, 2473676, 3092095, 3191840, 4947352, 6184190, 6383680, 9894704, 12368380, 19789408, 24736760, 39578816, 49473520, 98947040, 197894080]

約数ペア:

[(1, 197894080), (2, 98947040), (4, 49473520), (5, 39578816), (8, 24736760), (10, 19789408), (16, 12368380), (20, 9894704), (31, 6383680), (32, 6184190), (40, 4947352), (62, 3191840), (64, 3092095), (80, 2473676), (124, 1595920), (155, 1276736), (160, 1236838), (248, 797960), (310, 638368), (320, 618419), (496, 398980), (620, 319184), (992, 199490), (1240, 159592), (1984, 99745), (2480, 79796), (4960, 39898), (9920, 19949)]