211025250020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2221}}^1\times {\mathrm{5147}}^1$

素因数の和:7461

約数の個数: 96

約数和(自身を含む): 484275407616

約数和(自身を除く): 273250157596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 2221, 3692, 4442, 4615, 5147, 8884, 9230, 10294, 11105, 18460, 20588, 22210, 25735, 28873, 44420, 51470, 57746, 66911, 102940, 115492, 133822, 144365, 157691, 267644, 288730, 315382, 334555, 365437, 577460, 630764, 669110, 730874, 788455, 1338220, 1461748, 1576910, 1827185, 2049983, 3153820, 3654370, 4099966, 4750681, 7308740, 8199932, 9501362, 10249915, 11431487, 19002724, 20499830, 22862974, 23753405, 40999660, 45725948, 47506810, 57157435, 95013620, 114314870, 148609331, 228629740, 297218662, 594437324, 743046655, 811635577, 1486093310, 1623271154, 2972186620, 3246542308, 4058177885, 8116355770, 10551262501, 16232711540, 21102525002, 42205050004, 52756312505, 105512625010, 211025250020]

約数ペア:

[(1, 211025250020), (2, 105512625010), (4, 52756312505), (5, 42205050004), (10, 21102525002), (13, 16232711540), (20, 10551262501), (26, 8116355770), (52, 4058177885), (65, 3246542308), (71, 2972186620), (130, 1623271154), (142, 1486093310), (260, 811635577), (284, 743046655), (355, 594437324), (710, 297218662), (923, 228629740), (1420, 148609331), (1846, 114314870), (2221, 95013620), (3692, 57157435), (4442, 47506810), (4615, 45725948), (5147, 40999660), (8884, 23753405), (9230, 22862974), (10294, 20499830), (11105, 19002724), (18460, 11431487), (20588, 10249915), (22210, 9501362), (25735, 8199932), (28873, 7308740), (44420, 4750681), (51470, 4099966), (57746, 3654370), (66911, 3153820), (102940, 2049983), (115492, 1827185), (133822, 1576910), (144365, 1461748), (157691, 1338220), (267644, 788455), (288730, 730874), (315382, 669110), (334555, 630764), (365437, 577460)]