8149900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 19998720

約数和(自身を除く): 11848820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 239, 275, 310, 341, 478, 550, 620, 682, 775, 956, 1100, 1195, 1364, 1550, 1705, 2390, 2629, 3100, 3410, 4780, 5258, 5975, 6820, 7409, 8525, 10516, 11950, 13145, 14818, 17050, 23900, 26290, 29636, 34100, 37045, 52580, 65725, 74090, 81499, 131450, 148180, 162998, 185225, 262900, 325996, 370450, 407495, 740900, 814990, 1629980, 2037475, 4074950, 8149900]

約数ペア:

[(1, 8149900), (2, 4074950), (4, 2037475), (5, 1629980), (10, 814990), (11, 740900), (20, 407495), (22, 370450), (25, 325996), (31, 262900), (44, 185225), (50, 162998), (55, 148180), (62, 131450), (100, 81499), (110, 74090), (124, 65725), (155, 52580), (220, 37045), (239, 34100), (275, 29636), (310, 26290), (341, 23900), (478, 17050), (550, 14818), (620, 13145), (682, 11950), (775, 10516), (956, 8525), (1100, 7409), (1195, 6820), (1364, 5975), (1550, 5258), (1705, 4780), (2390, 3410), (2629, 3100)]