138849880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 361972800

約数和(自身を除く): 223122920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 113, 130, 136, 139, 170, 221, 226, 260, 278, 340, 442, 452, 520, 556, 565, 680, 695, 884, 904, 1105, 1112, 1130, 1390, 1469, 1768, 1807, 1921, 2210, 2260, 2363, 2780, 2938, 3614, 3842, 4420, 4520, 4726, 5560, 5876, 7228, 7345, 7684, 8840, 9035, 9452, 9605, 11752, 11815, 14456, 14690, 15368, 15707, 18070, 18904, 19210, 23630, 24973, 29380, 30719, 31414, 36140, 38420, 47260, 49946, 58760, 61438, 62828, 72280, 76840, 78535, 94520, 99892, 122876, 124865, 125656, 153595, 157070, 199784, 204191, 245752, 249730, 267019, 307190, 314140, 408382, 499460, 534038, 614380, 628280, 816764, 998920, 1020955, 1068076, 1228760, 1335095, 1633528, 2041910, 2136152, 2670190, 3471247, 4083820, 5340380, 6942494, 8167640, 10680760, 13884988, 17356235, 27769976, 34712470, 69424940, 138849880]

約数ペア:

[(1, 138849880), (2, 69424940), (4, 34712470), (5, 27769976), (8, 17356235), (10, 13884988), (13, 10680760), (17, 8167640), (20, 6942494), (26, 5340380), (34, 4083820), (40, 3471247), (52, 2670190), (65, 2136152), (68, 2041910), (85, 1633528), (104, 1335095), (113, 1228760), (130, 1068076), (136, 1020955), (139, 998920), (170, 816764), (221, 628280), (226, 614380), (260, 534038), (278, 499460), (340, 408382), (442, 314140), (452, 307190), (520, 267019), (556, 249730), (565, 245752), (680, 204191), (695, 199784), (884, 157070), (904, 153595), (1105, 125656), (1112, 124865), (1130, 122876), (1390, 99892), (1469, 94520), (1768, 78535), (1807, 76840), (1921, 72280), (2210, 62828), (2260, 61438), (2363, 58760), (2780, 49946), (2938, 47260), (3614, 38420), (3842, 36140), (4420, 31414), (4520, 30719), (4726, 29380), (5560, 24973), (5876, 23630), (7228, 19210), (7345, 18904), (7684, 18070), (8840, 15707), (9035, 15368), (9452, 14690), (9605, 14456), (11752, 11815)]