1640987590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{709}}^1$

素因数の和:1177

約数の個数: 64

約数和(自身を含む): 3296013120

約数和(自身を除く): 1655025530

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 397, 530, 583, 709, 794, 1166, 1418, 1985, 2915, 3545, 3970, 4367, 5830, 7090, 7799, 8734, 15598, 21041, 21835, 37577, 38995, 42082, 43670, 75154, 77990, 105205, 187885, 210410, 231451, 281473, 375770, 413347, 462902, 562946, 826694, 1157255, 1407365, 2066735, 2314510, 2814730, 3096203, 4133470, 6192406, 14918069, 15481015, 29836138, 30962030, 74590345, 149180690, 164098759, 328197518, 820493795, 1640987590]

約数ペア:

[(1, 1640987590), (2, 820493795), (5, 328197518), (10, 164098759), (11, 149180690), (22, 74590345), (53, 30962030), (55, 29836138), (106, 15481015), (110, 14918069), (265, 6192406), (397, 4133470), (530, 3096203), (583, 2814730), (709, 2314510), (794, 2066735), (1166, 1407365), (1418, 1157255), (1985, 826694), (2915, 562946), (3545, 462902), (3970, 413347), (4367, 375770), (5830, 281473), (7090, 231451), (7799, 210410), (8734, 187885), (15598, 105205), (21041, 77990), (21835, 75154), (37577, 43670), (38995, 42082)]