354680500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 801335808

約数和(自身を除く): 446655308

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 97, 100, 103, 125, 142, 194, 206, 250, 284, 355, 388, 412, 485, 500, 515, 710, 970, 1030, 1420, 1775, 1940, 2060, 2425, 2575, 3550, 4850, 5150, 6887, 7100, 7313, 8875, 9700, 9991, 10300, 12125, 12875, 13774, 14626, 17750, 19982, 24250, 25750, 27548, 29252, 34435, 35500, 36565, 39964, 48500, 49955, 51500, 68870, 73130, 99910, 137740, 146260, 172175, 182825, 199820, 249775, 344350, 365650, 499550, 688700, 709361, 731300, 860875, 914125, 999100, 1248875, 1418722, 1721750, 1828250, 2497750, 2837444, 3443500, 3546805, 3656500, 4995500, 7093610, 14187220, 17734025, 35468050, 70936100, 88670125, 177340250, 354680500]

約数ペア:

[(1, 354680500), (2, 177340250), (4, 88670125), (5, 70936100), (10, 35468050), (20, 17734025), (25, 14187220), (50, 7093610), (71, 4995500), (97, 3656500), (100, 3546805), (103, 3443500), (125, 2837444), (142, 2497750), (194, 1828250), (206, 1721750), (250, 1418722), (284, 1248875), (355, 999100), (388, 914125), (412, 860875), (485, 731300), (500, 709361), (515, 688700), (710, 499550), (970, 365650), (1030, 344350), (1420, 249775), (1775, 199820), (1940, 182825), (2060, 172175), (2425, 146260), (2575, 137740), (3550, 99910), (4850, 73130), (5150, 68870), (6887, 51500), (7100, 49955), (7313, 48500), (8875, 39964), (9700, 36565), (9991, 35500), (10300, 34435), (12125, 29252), (12875, 27548), (13774, 25750), (14626, 24250), (17750, 19982)]