205915020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{743}}^1$

素因数の和:935

約数の個数: 96

約数和(自身を含む): 599961600

約数和(自身を除く): 394046580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 149, 155, 186, 298, 310, 372, 447, 465, 596, 620, 743, 745, 894, 930, 1486, 1490, 1788, 1860, 2229, 2235, 2972, 2980, 3715, 4458, 4470, 4619, 7430, 8916, 8940, 9238, 11145, 13857, 14860, 18476, 22290, 23033, 23095, 27714, 44580, 46066, 46190, 55428, 69099, 69285, 92132, 92380, 110707, 115165, 138198, 138570, 221414, 230330, 276396, 277140, 332121, 345495, 442828, 460660, 553535, 664242, 690990, 1107070, 1328484, 1381980, 1660605, 2214140, 3321210, 3431917, 6642420, 6863834, 10295751, 13727668, 17159585, 20591502, 34319170, 41183004, 51478755, 68638340, 102957510, 205915020]

約数ペア:

[(1, 205915020), (2, 102957510), (3, 68638340), (4, 51478755), (5, 41183004), (6, 34319170), (10, 20591502), (12, 17159585), (15, 13727668), (20, 10295751), (30, 6863834), (31, 6642420), (60, 3431917), (62, 3321210), (93, 2214140), (124, 1660605), (149, 1381980), (155, 1328484), (186, 1107070), (298, 690990), (310, 664242), (372, 553535), (447, 460660), (465, 442828), (596, 345495), (620, 332121), (743, 277140), (745, 276396), (894, 230330), (930, 221414), (1486, 138570), (1490, 138198), (1788, 115165), (1860, 110707), (2229, 92380), (2235, 92132), (2972, 69285), (2980, 69099), (3715, 55428), (4458, 46190), (4470, 46066), (4619, 44580), (7430, 27714), (8916, 23095), (8940, 23033), (9238, 22290), (11145, 18476), (13857, 14860)]