13948340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 34971552

約数和(自身を除く): 21023212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 331, 430, 490, 602, 662, 860, 980, 1204, 1324, 1505, 1655, 2107, 2317, 3010, 3310, 4214, 4634, 6020, 6620, 8428, 9268, 10535, 11585, 14233, 16219, 21070, 23170, 28466, 32438, 42140, 46340, 56932, 64876, 71165, 81095, 99631, 142330, 162190, 199262, 284660, 324380, 398524, 498155, 697417, 996310, 1394834, 1992620, 2789668, 3487085, 6974170, 13948340]

約数ペア:

[(1, 13948340), (2, 6974170), (4, 3487085), (5, 2789668), (7, 1992620), (10, 1394834), (14, 996310), (20, 697417), (28, 498155), (35, 398524), (43, 324380), (49, 284660), (70, 199262), (86, 162190), (98, 142330), (140, 99631), (172, 81095), (196, 71165), (215, 64876), (245, 56932), (301, 46340), (331, 42140), (430, 32438), (490, 28466), (602, 23170), (662, 21070), (860, 16219), (980, 14233), (1204, 11585), (1324, 10535), (1505, 9268), (1655, 8428), (2107, 6620), (2317, 6020), (3010, 4634), (3310, 4214)]