2129778820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{967}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 4958731008

約数和(自身を除く): 2828952188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 197, 215, 260, 394, 430, 559, 788, 860, 967, 985, 1118, 1934, 1970, 2236, 2561, 2795, 3868, 3940, 4835, 5122, 5590, 8471, 9670, 10244, 11180, 12571, 12805, 16942, 19340, 25142, 25610, 33884, 41581, 42355, 50284, 51220, 62855, 83162, 84710, 110123, 125710, 166324, 169420, 190499, 207905, 220246, 251420, 380998, 415810, 440492, 540553, 550615, 761996, 831620, 952495, 1081106, 1101230, 1904990, 2162212, 2202460, 2476487, 2702765, 3809980, 4952974, 5405530, 8191457, 9905948, 10811060, 12382435, 16382914, 24764870, 32765828, 40957285, 49529740, 81914570, 106488941, 163829140, 212977882, 425955764, 532444705, 1064889410, 2129778820]

約数ペア:

[(1, 2129778820), (2, 1064889410), (4, 532444705), (5, 425955764), (10, 212977882), (13, 163829140), (20, 106488941), (26, 81914570), (43, 49529740), (52, 40957285), (65, 32765828), (86, 24764870), (130, 16382914), (172, 12382435), (197, 10811060), (215, 9905948), (260, 8191457), (394, 5405530), (430, 4952974), (559, 3809980), (788, 2702765), (860, 2476487), (967, 2202460), (985, 2162212), (1118, 1904990), (1934, 1101230), (1970, 1081106), (2236, 952495), (2561, 831620), (2795, 761996), (3868, 550615), (3940, 540553), (4835, 440492), (5122, 415810), (5590, 380998), (8471, 251420), (9670, 220246), (10244, 207905), (11180, 190499), (12571, 169420), (12805, 166324), (16942, 125710), (19340, 110123), (25142, 84710), (25610, 83162), (33884, 62855), (41581, 51220), (42355, 50284)]