459940

素因数分解:

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

素因数の和:112

約数の個数: 48

約数和(自身を含む): 1093680

約数和(自身を除く): 633740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 61, 65, 116, 122, 130, 145, 244, 260, 290, 305, 377, 580, 610, 754, 793, 1220, 1508, 1586, 1769, 1885, 3172, 3538, 3770, 3965, 7076, 7540, 7930, 8845, 15860, 17690, 22997, 35380, 45994, 91988, 114985, 229970, 459940]

約数ペア:

[(1, 459940), (2, 229970), (4, 114985), (5, 91988), (10, 45994), (13, 35380), (20, 22997), (26, 17690), (29, 15860), (52, 8845), (58, 7930), (61, 7540), (65, 7076), (116, 3965), (122, 3770), (130, 3538), (145, 3172), (244, 1885), (260, 1769), (290, 1586), (305, 1508), (377, 1220), (580, 793), (610, 754)]