209956556940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1175437}}^1$

素因数の和:1175691

約数の個数: 96

約数和(自身を含む): 635864940480

約数和(自身を除く): 425908383540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 229, 260, 390, 458, 687, 780, 916, 1145, 1374, 2290, 2748, 2977, 3435, 4580, 5954, 6870, 8931, 11908, 13740, 14885, 17862, 29770, 35724, 44655, 59540, 89310, 178620, 1175437, 2350874, 3526311, 4701748, 5877185, 7052622, 11754370, 14105244, 15280681, 17631555, 23508740, 30561362, 35263110, 45842043, 61122724, 70526220, 76403405, 91684086, 152806810, 183368172, 229210215, 269175073, 305613620, 458420430, 538350146, 807525219, 916840860, 1076700292, 1345875365, 1615050438, 2691750730, 3230100876, 3499275949, 4037626095, 5383501460, 6998551898, 8075252190, 10497827847, 13997103796, 16150504380, 17496379745, 20995655694, 34992759490, 41991311388, 52489139235, 69985518980, 104978278470, 209956556940]

約数ペア:

[(1, 209956556940), (2, 104978278470), (3, 69985518980), (4, 52489139235), (5, 41991311388), (6, 34992759490), (10, 20995655694), (12, 17496379745), (13, 16150504380), (15, 13997103796), (20, 10497827847), (26, 8075252190), (30, 6998551898), (39, 5383501460), (52, 4037626095), (60, 3499275949), (65, 3230100876), (78, 2691750730), (130, 1615050438), (156, 1345875365), (195, 1076700292), (229, 916840860), (260, 807525219), (390, 538350146), (458, 458420430), (687, 305613620), (780, 269175073), (916, 229210215), (1145, 183368172), (1374, 152806810), (2290, 91684086), (2748, 76403405), (2977, 70526220), (3435, 61122724), (4580, 45842043), (5954, 35263110), (6870, 30561362), (8931, 23508740), (11908, 17631555), (13740, 15280681), (14885, 14105244), (17862, 11754370), (29770, 7052622), (35724, 5877185), (44655, 4701748), (59540, 3526311), (89310, 2350874), (178620, 1175437)]