31942120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 85773600

約数和(自身を除く): 53831480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 379, 392, 430, 490, 602, 758, 860, 980, 1204, 1505, 1516, 1720, 1895, 1960, 2107, 2408, 2653, 3010, 3032, 3790, 4214, 5306, 6020, 7580, 8428, 10535, 10612, 12040, 13265, 15160, 16297, 16856, 18571, 21070, 21224, 26530, 32594, 37142, 42140, 53060, 65188, 74284, 81485, 84280, 92855, 106120, 114079, 130376, 148568, 162970, 185710, 228158, 325940, 371420, 456316, 570395, 651880, 742840, 798553, 912632, 1140790, 1597106, 2281580, 3194212, 3992765, 4563160, 6388424, 7985530, 15971060, 31942120]

約数ペア:

[(1, 31942120), (2, 15971060), (4, 7985530), (5, 6388424), (7, 4563160), (8, 3992765), (10, 3194212), (14, 2281580), (20, 1597106), (28, 1140790), (35, 912632), (40, 798553), (43, 742840), (49, 651880), (56, 570395), (70, 456316), (86, 371420), (98, 325940), (140, 228158), (172, 185710), (196, 162970), (215, 148568), (245, 130376), (280, 114079), (301, 106120), (344, 92855), (379, 84280), (392, 81485), (430, 74284), (490, 65188), (602, 53060), (758, 42140), (860, 37142), (980, 32594), (1204, 26530), (1505, 21224), (1516, 21070), (1720, 18571), (1895, 16856), (1960, 16297), (2107, 15160), (2408, 13265), (2653, 12040), (3010, 10612), (3032, 10535), (3790, 8428), (4214, 7580), (5306, 6020)]