10778900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 26248320

約数和(自身を除く): 15469420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 239, 275, 410, 451, 478, 550, 820, 902, 956, 1025, 1100, 1195, 1804, 2050, 2255, 2390, 2629, 4100, 4510, 4780, 5258, 5975, 9020, 9799, 10516, 11275, 11950, 13145, 19598, 22550, 23900, 26290, 39196, 45100, 48995, 52580, 65725, 97990, 107789, 131450, 195980, 215578, 244975, 262900, 431156, 489950, 538945, 979900, 1077890, 2155780, 2694725, 5389450, 10778900]

約数ペア:

[(1, 10778900), (2, 5389450), (4, 2694725), (5, 2155780), (10, 1077890), (11, 979900), (20, 538945), (22, 489950), (25, 431156), (41, 262900), (44, 244975), (50, 215578), (55, 195980), (82, 131450), (100, 107789), (110, 97990), (164, 65725), (205, 52580), (220, 48995), (239, 45100), (275, 39196), (410, 26290), (451, 23900), (478, 22550), (550, 19598), (820, 13145), (902, 11950), (956, 11275), (1025, 10516), (1100, 9799), (1195, 9020), (1804, 5975), (2050, 5258), (2255, 4780), (2390, 4510), (2629, 4100)]