124999280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 160

約数和(自身を含む): 353548800

約数和(自身を除く): 228549520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 43, 56, 58, 70, 80, 86, 112, 116, 140, 145, 172, 179, 203, 215, 232, 280, 290, 301, 344, 358, 406, 430, 464, 560, 580, 602, 688, 716, 812, 860, 895, 1015, 1160, 1204, 1247, 1253, 1432, 1505, 1624, 1720, 1790, 2030, 2320, 2408, 2494, 2506, 2864, 3010, 3248, 3440, 3580, 4060, 4816, 4988, 5012, 5191, 6020, 6235, 6265, 7160, 7697, 8120, 8729, 9976, 10024, 10382, 12040, 12470, 12530, 14320, 15394, 16240, 17458, 19952, 20048, 20764, 24080, 24940, 25060, 25955, 30788, 34916, 36337, 38485, 41528, 43645, 49880, 50120, 51910, 53879, 61576, 69832, 72674, 76970, 83056, 87290, 99760, 100240, 103820, 107758, 123152, 139664, 145348, 153940, 174580, 181685, 207640, 215516, 223213, 269395, 290696, 307880, 349160, 363370, 415280, 431032, 446426, 538790, 581392, 615760, 698320, 726740, 862064, 892852, 1077580, 1116065, 1453480, 1562491, 1785704, 2155160, 2232130, 2906960, 3124982, 3571408, 4310320, 4464260, 6249964, 7812455, 8928520, 12499928, 15624910, 17857040, 24999856, 31249820, 62499640, 124999280]

約数ペア:

[(1, 124999280), (2, 62499640), (4, 31249820), (5, 24999856), (7, 17857040), (8, 15624910), (10, 12499928), (14, 8928520), (16, 7812455), (20, 6249964), (28, 4464260), (29, 4310320), (35, 3571408), (40, 3124982), (43, 2906960), (56, 2232130), (58, 2155160), (70, 1785704), (80, 1562491), (86, 1453480), (112, 1116065), (116, 1077580), (140, 892852), (145, 862064), (172, 726740), (179, 698320), (203, 615760), (215, 581392), (232, 538790), (280, 446426), (290, 431032), (301, 415280), (344, 363370), (358, 349160), (406, 307880), (430, 290696), (464, 269395), (560, 223213), (580, 215516), (602, 207640), (688, 181685), (716, 174580), (812, 153940), (860, 145348), (895, 139664), (1015, 123152), (1160, 107758), (1204, 103820), (1247, 100240), (1253, 99760), (1432, 87290), (1505, 83056), (1624, 76970), (1720, 72674), (1790, 69832), (2030, 61576), (2320, 53879), (2408, 51910), (2494, 50120), (2506, 49880), (2864, 43645), (3010, 41528), (3248, 38485), (3440, 36337), (3580, 34916), (4060, 30788), (4816, 25955), (4988, 25060), (5012, 24940), (5191, 24080), (6020, 20764), (6235, 20048), (6265, 19952), (7160, 17458), (7697, 16240), (8120, 15394), (8729, 14320), (9976, 12530), (10024, 12470), (10382, 12040)]