74717750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^2\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 144993888

約数和(自身を除く): 70276138

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 311, 622, 775, 961, 1550, 1555, 1922, 3110, 3875, 4805, 7750, 7775, 9610, 9641, 15550, 19282, 24025, 38875, 48050, 48205, 77750, 96410, 120125, 240250, 241025, 298871, 482050, 597742, 1205125, 1494355, 2410250, 2988710, 7471775, 14943550, 37358875, 74717750]

約数ペア:

[(1, 74717750), (2, 37358875), (5, 14943550), (10, 7471775), (25, 2988710), (31, 2410250), (50, 1494355), (62, 1205125), (125, 597742), (155, 482050), (250, 298871), (310, 241025), (311, 240250), (622, 120125), (775, 96410), (961, 77750), (1550, 48205), (1555, 48050), (1922, 38875), (3110, 24025), (3875, 19282), (4805, 15550), (7750, 9641), (7775, 9610)]