563420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 1397088

約数和(自身を除く): 833668

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 197, 220, 260, 286, 394, 572, 715, 788, 985, 1430, 1970, 2167, 2561, 2860, 3940, 4334, 5122, 8668, 10244, 10835, 12805, 21670, 25610, 28171, 43340, 51220, 56342, 112684, 140855, 281710, 563420]

約数ペア:

[(1, 563420), (2, 281710), (4, 140855), (5, 112684), (10, 56342), (11, 51220), (13, 43340), (20, 28171), (22, 25610), (26, 21670), (44, 12805), (52, 10835), (55, 10244), (65, 8668), (110, 5122), (130, 4334), (143, 3940), (197, 2860), (220, 2561), (260, 2167), (286, 1970), (394, 1430), (572, 985), (715, 788)]