31633420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 108

約数和(自身を含む): 84115584

約数和(自身を除く): 52482164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 169, 182, 191, 196, 245, 260, 338, 364, 382, 455, 490, 637, 676, 764, 845, 910, 955, 980, 1183, 1274, 1337, 1690, 1820, 1910, 2366, 2483, 2548, 2674, 3185, 3380, 3820, 4732, 4966, 5348, 5915, 6370, 6685, 8281, 9359, 9932, 11830, 12415, 12740, 13370, 16562, 17381, 18718, 23660, 24830, 26740, 32279, 33124, 34762, 37436, 41405, 46795, 49660, 64558, 69524, 82810, 86905, 93590, 121667, 129116, 161395, 165620, 173810, 187180, 225953, 243334, 322790, 347620, 451906, 486668, 608335, 645580, 903812, 1129765, 1216670, 1581671, 2259530, 2433340, 3163342, 4519060, 6326684, 7908355, 15816710, 31633420]

約数ペア:

[(1, 31633420), (2, 15816710), (4, 7908355), (5, 6326684), (7, 4519060), (10, 3163342), (13, 2433340), (14, 2259530), (20, 1581671), (26, 1216670), (28, 1129765), (35, 903812), (49, 645580), (52, 608335), (65, 486668), (70, 451906), (91, 347620), (98, 322790), (130, 243334), (140, 225953), (169, 187180), (182, 173810), (191, 165620), (196, 161395), (245, 129116), (260, 121667), (338, 93590), (364, 86905), (382, 82810), (455, 69524), (490, 64558), (637, 49660), (676, 46795), (764, 41405), (845, 37436), (910, 34762), (955, 33124), (980, 32279), (1183, 26740), (1274, 24830), (1337, 23660), (1690, 18718), (1820, 17381), (1910, 16562), (2366, 13370), (2483, 12740), (2548, 12415), (2674, 11830), (3185, 9932), (3380, 9359), (3820, 8281), (4732, 6685), (4966, 6370), (5348, 5915)]