252957390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 128

約数和(自身を含む): 719262720

約数和(自身を除く): 466305330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 109, 129, 210, 215, 218, 257, 258, 301, 327, 430, 514, 545, 602, 645, 654, 763, 771, 903, 1090, 1285, 1290, 1505, 1526, 1542, 1635, 1799, 1806, 2289, 2570, 3010, 3270, 3598, 3815, 3855, 4515, 4578, 4687, 5397, 7630, 7710, 8995, 9030, 9374, 10794, 11051, 11445, 14061, 17990, 22102, 22890, 23435, 26985, 28013, 28122, 32809, 33153, 46870, 53970, 55255, 56026, 65618, 66306, 70305, 77357, 84039, 98427, 110510, 140065, 140610, 154714, 164045, 165765, 168078, 196091, 196854, 232071, 280130, 328090, 331530, 386785, 392182, 420195, 464142, 492135, 588273, 773570, 840390, 980455, 984270, 1160355, 1176546, 1204559, 1960910, 2320710, 2409118, 2941365, 3613677, 5882730, 6022795, 7227354, 8431913, 12045590, 16863826, 18068385, 25295739, 36136770, 42159565, 50591478, 84319130, 126478695, 252957390]

約数ペア:

[(1, 252957390), (2, 126478695), (3, 84319130), (5, 50591478), (6, 42159565), (7, 36136770), (10, 25295739), (14, 18068385), (15, 16863826), (21, 12045590), (30, 8431913), (35, 7227354), (42, 6022795), (43, 5882730), (70, 3613677), (86, 2941365), (105, 2409118), (109, 2320710), (129, 1960910), (210, 1204559), (215, 1176546), (218, 1160355), (257, 984270), (258, 980455), (301, 840390), (327, 773570), (430, 588273), (514, 492135), (545, 464142), (602, 420195), (645, 392182), (654, 386785), (763, 331530), (771, 328090), (903, 280130), (1090, 232071), (1285, 196854), (1290, 196091), (1505, 168078), (1526, 165765), (1542, 164045), (1635, 154714), (1799, 140610), (1806, 140065), (2289, 110510), (2570, 98427), (3010, 84039), (3270, 77357), (3598, 70305), (3815, 66306), (3855, 65618), (4515, 56026), (4578, 55255), (4687, 53970), (5397, 46870), (7630, 33153), (7710, 32809), (8995, 28122), (9030, 28013), (9374, 26985), (10794, 23435), (11051, 22890), (11445, 22102), (14061, 17990)]