72505900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 171100160

約数和(自身を除く): 98594260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 589, 620, 775, 950, 1178, 1231, 1550, 1900, 2356, 2462, 2945, 3100, 4924, 5890, 6155, 11780, 12310, 14725, 23389, 24620, 29450, 30775, 38161, 46778, 58900, 61550, 76322, 93556, 116945, 123100, 152644, 190805, 233890, 381610, 467780, 584725, 725059, 763220, 954025, 1169450, 1450118, 1908050, 2338900, 2900236, 3625295, 3816100, 7250590, 14501180, 18126475, 36252950, 72505900]

約数ペア:

[(1, 72505900), (2, 36252950), (4, 18126475), (5, 14501180), (10, 7250590), (19, 3816100), (20, 3625295), (25, 2900236), (31, 2338900), (38, 1908050), (50, 1450118), (62, 1169450), (76, 954025), (95, 763220), (100, 725059), (124, 584725), (155, 467780), (190, 381610), (310, 233890), (380, 190805), (475, 152644), (589, 123100), (620, 116945), (775, 93556), (950, 76322), (1178, 61550), (1231, 58900), (1550, 46778), (1900, 38161), (2356, 30775), (2462, 29450), (2945, 24620), (3100, 23389), (4924, 14725), (5890, 12310), (6155, 11780)]