405054580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 1075059216

約数和(自身を除く): 670004636

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 49, 68, 70, 82, 85, 98, 119, 140, 164, 170, 196, 205, 238, 245, 287, 340, 410, 476, 490, 574, 593, 595, 697, 820, 833, 980, 1148, 1186, 1190, 1394, 1435, 1666, 2009, 2372, 2380, 2788, 2870, 2965, 3332, 3485, 4018, 4151, 4165, 4879, 5740, 5930, 6970, 8036, 8302, 8330, 9758, 10045, 10081, 11860, 13940, 16604, 16660, 19516, 20090, 20162, 20755, 24313, 24395, 29057, 34153, 40180, 40324, 41510, 48626, 48790, 50405, 58114, 68306, 70567, 83020, 97252, 97580, 100810, 116228, 121565, 136612, 141134, 145285, 170191, 170765, 201620, 243130, 282268, 290570, 340382, 341530, 352835, 413321, 486260, 493969, 581140, 680764, 683060, 705670, 826642, 850955, 987938, 1191337, 1411340, 1653284, 1701910, 1975876, 2066605, 2382674, 2469845, 2893247, 3403820, 4133210, 4765348, 4939690, 5786494, 5956685, 8266420, 9879380, 11572988, 11913370, 14466235, 20252729, 23826740, 28932470, 40505458, 57864940, 81010916, 101263645, 202527290, 405054580]

約数ペア:

[(1, 405054580), (2, 202527290), (4, 101263645), (5, 81010916), (7, 57864940), (10, 40505458), (14, 28932470), (17, 23826740), (20, 20252729), (28, 14466235), (34, 11913370), (35, 11572988), (41, 9879380), (49, 8266420), (68, 5956685), (70, 5786494), (82, 4939690), (85, 4765348), (98, 4133210), (119, 3403820), (140, 2893247), (164, 2469845), (170, 2382674), (196, 2066605), (205, 1975876), (238, 1701910), (245, 1653284), (287, 1411340), (340, 1191337), (410, 987938), (476, 850955), (490, 826642), (574, 705670), (593, 683060), (595, 680764), (697, 581140), (820, 493969), (833, 486260), (980, 413321), (1148, 352835), (1186, 341530), (1190, 340382), (1394, 290570), (1435, 282268), (1666, 243130), (2009, 201620), (2372, 170765), (2380, 170191), (2788, 145285), (2870, 141134), (2965, 136612), (3332, 121565), (3485, 116228), (4018, 100810), (4151, 97580), (4165, 97252), (4879, 83020), (5740, 70567), (5930, 68306), (6970, 58114), (8036, 50405), (8302, 48790), (8330, 48626), (9758, 41510), (10045, 40324), (10081, 40180), (11860, 34153), (13940, 29057), (16604, 24395), (16660, 24313), (19516, 20755), (20090, 20162)]