217071660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{701}}^1$

素因数の和:1123

約数の個数: 96

約数和(自身を含む): 657139392

約数和(自身を除く): 440067732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 397, 701, 780, 794, 1191, 1402, 1588, 1985, 2103, 2382, 2804, 3505, 3970, 4206, 4764, 5161, 5955, 7010, 7940, 8412, 9113, 10322, 10515, 11910, 14020, 15483, 18226, 20644, 21030, 23820, 25805, 27339, 30966, 36452, 42060, 45565, 51610, 54678, 61932, 77415, 91130, 103220, 109356, 136695, 154830, 182260, 273390, 278297, 309660, 546780, 556594, 834891, 1113188, 1391485, 1669782, 2782970, 3339564, 3617861, 4174455, 5565940, 7235722, 8348910, 10853583, 14471444, 16697820, 18089305, 21707166, 36178610, 43414332, 54267915, 72357220, 108535830, 217071660]

約数ペア:

[(1, 217071660), (2, 108535830), (3, 72357220), (4, 54267915), (5, 43414332), (6, 36178610), (10, 21707166), (12, 18089305), (13, 16697820), (15, 14471444), (20, 10853583), (26, 8348910), (30, 7235722), (39, 5565940), (52, 4174455), (60, 3617861), (65, 3339564), (78, 2782970), (130, 1669782), (156, 1391485), (195, 1113188), (260, 834891), (390, 556594), (397, 546780), (701, 309660), (780, 278297), (794, 273390), (1191, 182260), (1402, 154830), (1588, 136695), (1985, 109356), (2103, 103220), (2382, 91130), (2804, 77415), (3505, 61932), (3970, 54678), (4206, 51610), (4764, 45565), (5161, 42060), (5955, 36452), (7010, 30966), (7940, 27339), (8412, 25805), (9113, 23820), (10322, 21030), (10515, 20644), (11910, 18226), (14020, 15483)]