281489660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1531}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 613841760

約数和(自身を除く): 332352100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 317, 580, 634, 1268, 1531, 1585, 3062, 3170, 6124, 6340, 7655, 9193, 15310, 18386, 30620, 36772, 44399, 45965, 88798, 91930, 177596, 183860, 221995, 443990, 485327, 887980, 970654, 1941308, 2426635, 4853270, 9706540, 14074483, 28148966, 56297932, 70372415, 140744830, 281489660]

約数ペア:

[(1, 281489660), (2, 140744830), (4, 70372415), (5, 56297932), (10, 28148966), (20, 14074483), (29, 9706540), (58, 4853270), (116, 2426635), (145, 1941308), (290, 970654), (317, 887980), (580, 485327), (634, 443990), (1268, 221995), (1531, 183860), (1585, 177596), (3062, 91930), (3170, 88798), (6124, 45965), (6340, 44399), (7655, 36772), (9193, 30620), (15310, 18386)]