8130100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 20311200

約数和(自身を除く): 12181100

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 190, 209, 220, 275, 380, 389, 418, 475, 550, 778, 836, 950, 1045, 1100, 1556, 1900, 1945, 2090, 3890, 4180, 4279, 5225, 7391, 7780, 8558, 9725, 10450, 14782, 17116, 19450, 20900, 21395, 29564, 36955, 38900, 42790, 73910, 81301, 85580, 106975, 147820, 162602, 184775, 213950, 325204, 369550, 406505, 427900, 739100, 813010, 1626020, 2032525, 4065050, 8130100]

約数ペア:

[(1, 8130100), (2, 4065050), (4, 2032525), (5, 1626020), (10, 813010), (11, 739100), (19, 427900), (20, 406505), (22, 369550), (25, 325204), (38, 213950), (44, 184775), (50, 162602), (55, 147820), (76, 106975), (95, 85580), (100, 81301), (110, 73910), (190, 42790), (209, 38900), (220, 36955), (275, 29564), (380, 21395), (389, 20900), (418, 19450), (475, 17116), (550, 14782), (778, 10450), (836, 9725), (950, 8558), (1045, 7780), (1100, 7391), (1556, 5225), (1900, 4279), (1945, 4180), (2090, 3890)]