489631750

素因数分解:

$2^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 944064576

約数和(自身を除く): 454432826

約数列:

[1, 2, 5, 10, 25, 50, 61, 97, 122, 125, 194, 250, 305, 331, 485, 610, 662, 970, 1525, 1655, 2425, 3050, 3310, 4850, 5917, 7625, 8275, 11834, 12125, 15250, 16550, 20191, 24250, 29585, 32107, 40382, 41375, 59170, 64214, 82750, 100955, 147925, 160535, 201910, 295850, 321070, 504775, 739625, 802675, 1009550, 1479250, 1605350, 1958527, 2523875, 3917054, 4013375, 5047750, 8026750, 9792635, 19585270, 48963175, 97926350, 244815875, 489631750]

約数ペア:

[(1, 489631750), (2, 244815875), (5, 97926350), (10, 48963175), (25, 19585270), (50, 9792635), (61, 8026750), (97, 5047750), (122, 4013375), (125, 3917054), (194, 2523875), (250, 1958527), (305, 1605350), (331, 1479250), (485, 1009550), (610, 802675), (662, 739625), (970, 504775), (1525, 321070), (1655, 295850), (2425, 201910), (3050, 160535), (3310, 147925), (4850, 100955), (5917, 82750), (7625, 64214), (8275, 59170), (11834, 41375), (12125, 40382), (15250, 32107), (16550, 29585), (20191, 24250)]