205417380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:290

約数の個数: 192

約数和(自身を含む): 686407680

約数和(自身を除く): 480990300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 79, 82, 84, 105, 123, 140, 151, 158, 164, 205, 210, 237, 246, 287, 302, 316, 395, 410, 420, 453, 474, 492, 553, 574, 604, 615, 755, 790, 820, 861, 906, 948, 1057, 1106, 1148, 1185, 1230, 1435, 1510, 1580, 1659, 1722, 1812, 2114, 2212, 2265, 2370, 2460, 2765, 2870, 3020, 3171, 3239, 3318, 3444, 4228, 4305, 4530, 4740, 5285, 5530, 5740, 6191, 6342, 6478, 6636, 8295, 8610, 9060, 9717, 10570, 11060, 11929, 12382, 12684, 12956, 15855, 16195, 16590, 17220, 18573, 19434, 21140, 22673, 23858, 24764, 30955, 31710, 32390, 33180, 35787, 37146, 38868, 43337, 45346, 47716, 48585, 59645, 61910, 63420, 64780, 68019, 71574, 74292, 83503, 86674, 90692, 92865, 97170, 113365, 119290, 123820, 130011, 136038, 143148, 167006, 173348, 178935, 185730, 194340, 216685, 226730, 238580, 250509, 260022, 272076, 334012, 340095, 357870, 371460, 417515, 433370, 453460, 489089, 501018, 520044, 650055, 680190, 715740, 835030, 866740, 978178, 1002036, 1252545, 1300110, 1360380, 1467267, 1670060, 1956356, 2445445, 2505090, 2600220, 2934534, 3423623, 4890890, 5010180, 5869068, 6847246, 7336335, 9781780, 10270869, 13694492, 14672670, 17118115, 20541738, 29345340, 34236230, 41083476, 51354345, 68472460, 102708690, 205417380]

約数ペア:

[(1, 205417380), (2, 102708690), (3, 68472460), (4, 51354345), (5, 41083476), (6, 34236230), (7, 29345340), (10, 20541738), (12, 17118115), (14, 14672670), (15, 13694492), (20, 10270869), (21, 9781780), (28, 7336335), (30, 6847246), (35, 5869068), (41, 5010180), (42, 4890890), (60, 3423623), (70, 2934534), (79, 2600220), (82, 2505090), (84, 2445445), (105, 1956356), (123, 1670060), (140, 1467267), (151, 1360380), (158, 1300110), (164, 1252545), (205, 1002036), (210, 978178), (237, 866740), (246, 835030), (287, 715740), (302, 680190), (316, 650055), (395, 520044), (410, 501018), (420, 489089), (453, 453460), (474, 433370), (492, 417515), (553, 371460), (574, 357870), (604, 340095), (615, 334012), (755, 272076), (790, 260022), (820, 250509), (861, 238580), (906, 226730), (948, 216685), (1057, 194340), (1106, 185730), (1148, 178935), (1185, 173348), (1230, 167006), (1435, 143148), (1510, 136038), (1580, 130011), (1659, 123820), (1722, 119290), (1812, 113365), (2114, 97170), (2212, 92865), (2265, 90692), (2370, 86674), (2460, 83503), (2765, 74292), (2870, 71574), (3020, 68019), (3171, 64780), (3239, 63420), (3318, 61910), (3444, 59645), (4228, 48585), (4305, 47716), (4530, 45346), (4740, 43337), (5285, 38868), (5530, 37146), (5740, 35787), (6191, 33180), (6342, 32390), (6478, 31710), (6636, 30955), (8295, 24764), (8610, 23858), (9060, 22673), (9717, 21140), (10570, 19434), (11060, 18573), (11929, 17220), (12382, 16590), (12684, 16195), (12956, 15855)]