2918922020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 7317649920

約数和(自身を除く): 4398727900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 79, 82, 140, 157, 158, 164, 205, 287, 314, 316, 395, 410, 553, 574, 628, 785, 790, 820, 1099, 1106, 1148, 1435, 1570, 1580, 1681, 2198, 2212, 2765, 2870, 3140, 3239, 3362, 4396, 5495, 5530, 5740, 6437, 6478, 6724, 8405, 10990, 11060, 11767, 12403, 12874, 12956, 16195, 16810, 21980, 22673, 23534, 24806, 25748, 32185, 32390, 33620, 45059, 45346, 47068, 49612, 58835, 62015, 64370, 64780, 86821, 90118, 90692, 113365, 117670, 124030, 128740, 132799, 173642, 180236, 225295, 226730, 235340, 248060, 263917, 265598, 347284, 434105, 450590, 453460, 508523, 527834, 531196, 663995, 868210, 901180, 929593, 1017046, 1055668, 1319585, 1327990, 1736420, 1847419, 1859186, 2034092, 2542615, 2639170, 2655980, 3559661, 3694838, 3718372, 4647965, 5085230, 5278340, 7119322, 7389676, 9237095, 9295930, 10170460, 14238644, 17798305, 18474190, 18591860, 20849443, 35596610, 36948380, 41698886, 71193220, 83397772, 104247215, 145946101, 208494430, 291892202, 416988860, 583784404, 729730505, 1459461010, 2918922020]

約数ペア:

[(1, 2918922020), (2, 1459461010), (4, 729730505), (5, 583784404), (7, 416988860), (10, 291892202), (14, 208494430), (20, 145946101), (28, 104247215), (35, 83397772), (41, 71193220), (70, 41698886), (79, 36948380), (82, 35596610), (140, 20849443), (157, 18591860), (158, 18474190), (164, 17798305), (205, 14238644), (287, 10170460), (314, 9295930), (316, 9237095), (395, 7389676), (410, 7119322), (553, 5278340), (574, 5085230), (628, 4647965), (785, 3718372), (790, 3694838), (820, 3559661), (1099, 2655980), (1106, 2639170), (1148, 2542615), (1435, 2034092), (1570, 1859186), (1580, 1847419), (1681, 1736420), (2198, 1327990), (2212, 1319585), (2765, 1055668), (2870, 1017046), (3140, 929593), (3239, 901180), (3362, 868210), (4396, 663995), (5495, 531196), (5530, 527834), (5740, 508523), (6437, 453460), (6478, 450590), (6724, 434105), (8405, 347284), (10990, 265598), (11060, 263917), (11767, 248060), (12403, 235340), (12874, 226730), (12956, 225295), (16195, 180236), (16810, 173642), (21980, 132799), (22673, 128740), (23534, 124030), (24806, 117670), (25748, 113365), (32185, 90692), (32390, 90118), (33620, 86821), (45059, 64780), (45346, 64370), (47068, 62015), (49612, 58835)]