401898500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{13177}}^1$

素因数の和:13257

約数の個数: 48

約数和(自身を含む): 892203312

約数和(自身を除く): 490304812

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 1220, 1525, 3050, 6100, 7625, 13177, 15250, 26354, 30500, 52708, 65885, 131770, 263540, 329425, 658850, 803797, 1317700, 1607594, 1647125, 3215188, 3294250, 4018985, 6588500, 8037970, 16075940, 20094925, 40189850, 80379700, 100474625, 200949250, 401898500]

約数ペア:

[(1, 401898500), (2, 200949250), (4, 100474625), (5, 80379700), (10, 40189850), (20, 20094925), (25, 16075940), (50, 8037970), (61, 6588500), (100, 4018985), (122, 3294250), (125, 3215188), (244, 1647125), (250, 1607594), (305, 1317700), (500, 803797), (610, 658850), (1220, 329425), (1525, 263540), (3050, 131770), (6100, 65885), (7625, 52708), (13177, 30500), (15250, 26354)]