47539900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 109992960

約数和(自身を除く): 62453060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 131, 190, 191, 262, 380, 382, 475, 524, 655, 764, 950, 955, 1310, 1900, 1910, 2489, 2620, 3275, 3629, 3820, 4775, 4978, 6550, 7258, 9550, 9956, 12445, 13100, 14516, 18145, 19100, 24890, 25021, 36290, 49780, 50042, 62225, 72580, 90725, 100084, 124450, 125105, 181450, 248900, 250210, 362900, 475399, 500420, 625525, 950798, 1251050, 1901596, 2376995, 2502100, 4753990, 9507980, 11884975, 23769950, 47539900]

約数ペア:

[(1, 47539900), (2, 23769950), (4, 11884975), (5, 9507980), (10, 4753990), (19, 2502100), (20, 2376995), (25, 1901596), (38, 1251050), (50, 950798), (76, 625525), (95, 500420), (100, 475399), (131, 362900), (190, 250210), (191, 248900), (262, 181450), (380, 125105), (382, 124450), (475, 100084), (524, 90725), (655, 72580), (764, 62225), (950, 50042), (955, 49780), (1310, 36290), (1900, 25021), (1910, 24890), (2489, 19100), (2620, 18145), (3275, 14516), (3629, 13100), (3820, 12445), (4775, 9956), (4978, 9550), (6550, 7258)]