919880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:114

約数の個数: 64

約数和(自身を含む): 2343600

約数和(自身を除く): 1423720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 61, 65, 104, 116, 122, 130, 145, 232, 244, 260, 290, 305, 377, 488, 520, 580, 610, 754, 793, 1160, 1220, 1508, 1586, 1769, 1885, 2440, 3016, 3172, 3538, 3770, 3965, 6344, 7076, 7540, 7930, 8845, 14152, 15080, 15860, 17690, 22997, 31720, 35380, 45994, 70760, 91988, 114985, 183976, 229970, 459940, 919880]

約数ペア:

[(1, 919880), (2, 459940), (4, 229970), (5, 183976), (8, 114985), (10, 91988), (13, 70760), (20, 45994), (26, 35380), (29, 31720), (40, 22997), (52, 17690), (58, 15860), (61, 15080), (65, 14152), (104, 8845), (116, 7930), (122, 7540), (130, 7076), (145, 6344), (232, 3965), (244, 3770), (260, 3538), (290, 3172), (305, 3016), (377, 2440), (488, 1885), (520, 1769), (580, 1586), (610, 1508), (754, 1220), (793, 1160)]