823466020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 2006968320

約数和(自身を除く): 1183502300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 31, 52, 58, 62, 65, 116, 124, 130, 145, 155, 169, 260, 271, 290, 310, 338, 377, 403, 542, 580, 620, 676, 754, 806, 845, 899, 1084, 1355, 1508, 1612, 1690, 1798, 1885, 2015, 2710, 3380, 3523, 3596, 3770, 4030, 4495, 4901, 5239, 5420, 7046, 7540, 7859, 8060, 8401, 8990, 9802, 10478, 11687, 14092, 15718, 16802, 17615, 17980, 19604, 20956, 23374, 24505, 26195, 31436, 33604, 35230, 39295, 42005, 45799, 46748, 49010, 52390, 58435, 70460, 78590, 84010, 91598, 98020, 102167, 104780, 109213, 116870, 151931, 157180, 168020, 183196, 204334, 218426, 228995, 233740, 243629, 303862, 408668, 436852, 457990, 487258, 510835, 546065, 607724, 759655, 915980, 974516, 1021670, 1092130, 1218145, 1328171, 1419769, 1519310, 2043340, 2184260, 2436290, 2656342, 2839538, 3038620, 3167177, 4872580, 5312684, 5679076, 6334354, 6640855, 7098845, 12668708, 13281710, 14197690, 15835885, 26563420, 28395380, 31671770, 41173301, 63343540, 82346602, 164693204, 205866505, 411733010, 823466020]

約数ペア:

[(1, 823466020), (2, 411733010), (4, 205866505), (5, 164693204), (10, 82346602), (13, 63343540), (20, 41173301), (26, 31671770), (29, 28395380), (31, 26563420), (52, 15835885), (58, 14197690), (62, 13281710), (65, 12668708), (116, 7098845), (124, 6640855), (130, 6334354), (145, 5679076), (155, 5312684), (169, 4872580), (260, 3167177), (271, 3038620), (290, 2839538), (310, 2656342), (338, 2436290), (377, 2184260), (403, 2043340), (542, 1519310), (580, 1419769), (620, 1328171), (676, 1218145), (754, 1092130), (806, 1021670), (845, 974516), (899, 915980), (1084, 759655), (1355, 607724), (1508, 546065), (1612, 510835), (1690, 487258), (1798, 457990), (1885, 436852), (2015, 408668), (2710, 303862), (3380, 243629), (3523, 233740), (3596, 228995), (3770, 218426), (4030, 204334), (4495, 183196), (4901, 168020), (5239, 157180), (5420, 151931), (7046, 116870), (7540, 109213), (7859, 104780), (8060, 102167), (8401, 98020), (8990, 91598), (9802, 84010), (10478, 78590), (11687, 70460), (14092, 58435), (15718, 52390), (16802, 49010), (17615, 46748), (17980, 45799), (19604, 42005), (20956, 39295), (23374, 35230), (24505, 33604), (26195, 31436)]