208609550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12917}}^1$

素因数の和:12965

約数の個数: 48

約数和(自身を含む): 432494640

約数和(自身を除く): 223885090

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 170, 190, 323, 425, 475, 646, 850, 950, 1615, 3230, 8075, 12917, 16150, 25834, 64585, 129170, 219589, 245423, 322925, 439178, 490846, 645850, 1097945, 1227115, 2195890, 2454230, 4172191, 5489725, 6135575, 8344382, 10979450, 12271150, 20860955, 41721910, 104304775, 208609550]

約数ペア:

[(1, 208609550), (2, 104304775), (5, 41721910), (10, 20860955), (17, 12271150), (19, 10979450), (25, 8344382), (34, 6135575), (38, 5489725), (50, 4172191), (85, 2454230), (95, 2195890), (170, 1227115), (190, 1097945), (323, 645850), (425, 490846), (475, 439178), (646, 322925), (850, 245423), (950, 219589), (1615, 129170), (3230, 64585), (8075, 25834), (12917, 16150)]