622491220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{4283}}^1$

素因数の和:4361

約数の個数: 72

約数和(自身を含む): 1448780256

約数和(自身を除く): 826289036

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 4283, 5590, 7267, 8566, 11180, 14534, 17132, 21415, 29068, 36335, 42830, 55679, 72670, 85660, 111358, 145340, 184169, 222716, 278395, 368338, 556790, 723827, 736676, 920845, 1113580, 1447654, 1841690, 2394197, 2895308, 3619135, 3683380, 4788394, 7238270, 9576788, 11970985, 14476540, 23941970, 31124561, 47883940, 62249122, 124498244, 155622805, 311245610, 622491220]

約数ペア:

[(1, 622491220), (2, 311245610), (4, 155622805), (5, 124498244), (10, 62249122), (13, 47883940), (20, 31124561), (26, 23941970), (43, 14476540), (52, 11970985), (65, 9576788), (86, 7238270), (130, 4788394), (169, 3683380), (172, 3619135), (215, 2895308), (260, 2394197), (338, 1841690), (430, 1447654), (559, 1113580), (676, 920845), (845, 736676), (860, 723827), (1118, 556790), (1690, 368338), (2236, 278395), (2795, 222716), (3380, 184169), (4283, 145340), (5590, 111358), (7267, 85660), (8566, 72670), (11180, 55679), (14534, 42830), (17132, 36335), (21415, 29068)]