551844640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 1397818296

約数和(自身を除く): 845973656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 97, 124, 148, 155, 160, 185, 194, 248, 296, 310, 370, 388, 485, 496, 592, 620, 740, 776, 961, 970, 992, 1147, 1184, 1240, 1480, 1552, 1922, 1940, 2294, 2480, 2960, 3007, 3104, 3589, 3844, 3880, 4588, 4805, 4960, 5735, 5920, 6014, 7178, 7688, 7760, 9176, 9610, 11470, 12028, 14356, 15035, 15376, 15520, 17945, 18352, 19220, 22940, 24056, 28712, 30070, 30752, 35557, 35890, 36704, 38440, 45880, 48112, 57424, 60140, 71114, 71780, 76880, 91760, 93217, 96224, 111259, 114848, 120280, 142228, 143560, 153760, 177785, 183520, 186434, 222518, 240560, 284456, 287120, 355570, 372868, 445036, 466085, 481120, 556295, 568912, 574240, 711140, 745736, 890072, 932170, 1112590, 1137824, 1422280, 1491472, 1780144, 1864340, 2225180, 2844560, 2982944, 3449029, 3560288, 3728680, 4450360, 5689120, 6898058, 7457360, 8900720, 13796116, 14914720, 17245145, 17801440, 27592232, 34490290, 55184464, 68980580, 110368928, 137961160, 275922320, 551844640]

約数ペア:

[(1, 551844640), (2, 275922320), (4, 137961160), (5, 110368928), (8, 68980580), (10, 55184464), (16, 34490290), (20, 27592232), (31, 17801440), (32, 17245145), (37, 14914720), (40, 13796116), (62, 8900720), (74, 7457360), (80, 6898058), (97, 5689120), (124, 4450360), (148, 3728680), (155, 3560288), (160, 3449029), (185, 2982944), (194, 2844560), (248, 2225180), (296, 1864340), (310, 1780144), (370, 1491472), (388, 1422280), (485, 1137824), (496, 1112590), (592, 932170), (620, 890072), (740, 745736), (776, 711140), (961, 574240), (970, 568912), (992, 556295), (1147, 481120), (1184, 466085), (1240, 445036), (1480, 372868), (1552, 355570), (1922, 287120), (1940, 284456), (2294, 240560), (2480, 222518), (2960, 186434), (3007, 183520), (3104, 177785), (3589, 153760), (3844, 143560), (3880, 142228), (4588, 120280), (4805, 114848), (4960, 111259), (5735, 96224), (5920, 93217), (6014, 91760), (7178, 76880), (7688, 71780), (7760, 71114), (9176, 60140), (9610, 57424), (11470, 48112), (12028, 45880), (14356, 38440), (15035, 36704), (15376, 35890), (15520, 35557), (17945, 30752), (18352, 30070), (19220, 28712), (22940, 24056)]