7748005540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{84053}}^1$

素因数の和:84492

約数の個数: 48

約数和(自身を含む): 17792550720

約数和(自身を除く): 10044545180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 419, 838, 1676, 2095, 4190, 4609, 8380, 9218, 18436, 23045, 46090, 84053, 92180, 168106, 336212, 420265, 840530, 924583, 1681060, 1849166, 3698332, 4622915, 9245830, 18491660, 35218207, 70436414, 140872828, 176091035, 352182070, 387400277, 704364140, 774800554, 1549601108, 1937001385, 3874002770, 7748005540]

約数ペア:

[(1, 7748005540), (2, 3874002770), (4, 1937001385), (5, 1549601108), (10, 774800554), (11, 704364140), (20, 387400277), (22, 352182070), (44, 176091035), (55, 140872828), (110, 70436414), (220, 35218207), (419, 18491660), (838, 9245830), (1676, 4622915), (2095, 3698332), (4190, 1849166), (4609, 1681060), (8380, 924583), (9218, 840530), (18436, 420265), (23045, 336212), (46090, 168106), (84053, 92180)]