74994140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 193560192

約数和(自身を除く): 118566052

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 47, 52, 65, 68, 76, 85, 94, 95, 130, 170, 188, 190, 221, 235, 247, 260, 323, 340, 361, 380, 442, 470, 494, 611, 646, 722, 799, 884, 893, 940, 988, 1105, 1222, 1235, 1292, 1444, 1598, 1615, 1786, 1805, 2210, 2444, 2470, 3055, 3196, 3230, 3572, 3610, 3995, 4199, 4420, 4465, 4693, 4940, 6110, 6137, 6460, 7220, 7990, 8398, 8930, 9386, 10387, 11609, 12220, 12274, 15181, 15980, 16796, 16967, 17860, 18772, 20774, 20995, 23218, 23465, 24548, 30362, 30685, 33934, 41548, 41990, 46436, 46930, 51935, 58045, 60724, 61370, 67868, 75905, 79781, 83980, 84835, 93860, 103870, 116090, 122740, 151810, 159562, 169670, 197353, 207740, 220571, 232180, 288439, 303620, 319124, 339340, 394706, 398905, 441142, 576878, 789412, 797810, 882284, 986765, 1102855, 1153756, 1442195, 1595620, 1973530, 2205710, 2884390, 3749707, 3947060, 4411420, 5768780, 7499414, 14998828, 18748535, 37497070, 74994140]

約数ペア:

[(1, 74994140), (2, 37497070), (4, 18748535), (5, 14998828), (10, 7499414), (13, 5768780), (17, 4411420), (19, 3947060), (20, 3749707), (26, 2884390), (34, 2205710), (38, 1973530), (47, 1595620), (52, 1442195), (65, 1153756), (68, 1102855), (76, 986765), (85, 882284), (94, 797810), (95, 789412), (130, 576878), (170, 441142), (188, 398905), (190, 394706), (221, 339340), (235, 319124), (247, 303620), (260, 288439), (323, 232180), (340, 220571), (361, 207740), (380, 197353), (442, 169670), (470, 159562), (494, 151810), (611, 122740), (646, 116090), (722, 103870), (799, 93860), (884, 84835), (893, 83980), (940, 79781), (988, 75905), (1105, 67868), (1222, 61370), (1235, 60724), (1292, 58045), (1444, 51935), (1598, 46930), (1615, 46436), (1786, 41990), (1805, 41548), (2210, 33934), (2444, 30685), (2470, 30362), (3055, 24548), (3196, 23465), (3230, 23218), (3572, 20995), (3610, 20774), (3995, 18772), (4199, 17860), (4420, 16967), (4465, 16796), (4693, 15980), (4940, 15181), (6110, 12274), (6137, 12220), (6460, 11609), (7220, 10387), (7990, 9386), (8398, 8930)]