921212500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{5669}}^1$

素因数の和:5711

約数の個数: 72

約数和(自身を含む): 2170407960

約数和(自身を除く): 1249195460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1250, 1300, 1625, 2500, 3125, 3250, 5669, 6250, 6500, 8125, 11338, 12500, 16250, 22676, 28345, 32500, 40625, 56690, 73697, 81250, 113380, 141725, 147394, 162500, 283450, 294788, 368485, 566900, 708625, 736970, 1417250, 1473940, 1842425, 2834500, 3543125, 3684850, 7086250, 7369700, 9212125, 14172500, 17715625, 18424250, 35431250, 36848500, 46060625, 70862500, 92121250, 184242500, 230303125, 460606250, 921212500]

約数ペア:

[(1, 921212500), (2, 460606250), (4, 230303125), (5, 184242500), (10, 92121250), (13, 70862500), (20, 46060625), (25, 36848500), (26, 35431250), (50, 18424250), (52, 17715625), (65, 14172500), (100, 9212125), (125, 7369700), (130, 7086250), (250, 3684850), (260, 3543125), (325, 2834500), (500, 1842425), (625, 1473940), (650, 1417250), (1250, 736970), (1300, 708625), (1625, 566900), (2500, 368485), (3125, 294788), (3250, 283450), (5669, 162500), (6250, 147394), (6500, 141725), (8125, 113380), (11338, 81250), (12500, 73697), (16250, 56690), (22676, 40625), (28345, 32500)]