208457340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:628

約数の個数: 192

約数和(自身を含む): 729609216

約数和(自身を除く): 521151876

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 73, 78, 84, 91, 105, 130, 140, 146, 156, 182, 195, 210, 219, 260, 273, 292, 364, 365, 390, 420, 438, 455, 511, 523, 546, 730, 780, 876, 910, 949, 1022, 1046, 1092, 1095, 1365, 1460, 1533, 1569, 1820, 1898, 2044, 2092, 2190, 2555, 2615, 2730, 2847, 3066, 3138, 3661, 3796, 4380, 4745, 5110, 5230, 5460, 5694, 6132, 6276, 6643, 6799, 7322, 7665, 7845, 9490, 10220, 10460, 10983, 11388, 13286, 13598, 14235, 14644, 15330, 15690, 18305, 18980, 19929, 20397, 21966, 26572, 27196, 28470, 30660, 31380, 33215, 33995, 36610, 38179, 39858, 40794, 43932, 47593, 54915, 56940, 66430, 67990, 73220, 76358, 79716, 81588, 95186, 99645, 101985, 109830, 114537, 132860, 135980, 142779, 152716, 190372, 190895, 199290, 203970, 219660, 229074, 237965, 267253, 285558, 381790, 398580, 407940, 458148, 475930, 496327, 534506, 571116, 572685, 713895, 763580, 801759, 951860, 992654, 1069012, 1145370, 1336265, 1427790, 1488981, 1603518, 1985308, 2290740, 2481635, 2672530, 2855580, 2977962, 3207036, 3474289, 4008795, 4963270, 5345060, 5955924, 6948578, 7444905, 8017590, 9926540, 10422867, 13897156, 14889810, 16035180, 17371445, 20845734, 29779620, 34742890, 41691468, 52114335, 69485780, 104228670, 208457340]

約数ペア:

[(1, 208457340), (2, 104228670), (3, 69485780), (4, 52114335), (5, 41691468), (6, 34742890), (7, 29779620), (10, 20845734), (12, 17371445), (13, 16035180), (14, 14889810), (15, 13897156), (20, 10422867), (21, 9926540), (26, 8017590), (28, 7444905), (30, 6948578), (35, 5955924), (39, 5345060), (42, 4963270), (52, 4008795), (60, 3474289), (65, 3207036), (70, 2977962), (73, 2855580), (78, 2672530), (84, 2481635), (91, 2290740), (105, 1985308), (130, 1603518), (140, 1488981), (146, 1427790), (156, 1336265), (182, 1145370), (195, 1069012), (210, 992654), (219, 951860), (260, 801759), (273, 763580), (292, 713895), (364, 572685), (365, 571116), (390, 534506), (420, 496327), (438, 475930), (455, 458148), (511, 407940), (523, 398580), (546, 381790), (730, 285558), (780, 267253), (876, 237965), (910, 229074), (949, 219660), (1022, 203970), (1046, 199290), (1092, 190895), (1095, 190372), (1365, 152716), (1460, 142779), (1533, 135980), (1569, 132860), (1820, 114537), (1898, 109830), (2044, 101985), (2092, 99645), (2190, 95186), (2555, 81588), (2615, 79716), (2730, 76358), (2847, 73220), (3066, 67990), (3138, 66430), (3661, 56940), (3796, 54915), (4380, 47593), (4745, 43932), (5110, 40794), (5230, 39858), (5460, 38179), (5694, 36610), (6132, 33995), (6276, 33215), (6643, 31380), (6799, 30660), (7322, 28470), (7665, 27196), (7845, 26572), (9490, 21966), (10220, 20397), (10460, 19929), (10983, 18980), (11388, 18305), (13286, 15690), (13598, 15330), (14235, 14644)]