49981620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 152127360

約数和(自身を除く): 102145740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 461, 556, 695, 780, 834, 922, 1383, 1390, 1668, 1807, 1844, 2085, 2305, 2766, 2780, 3614, 4170, 4610, 5421, 5532, 5993, 6915, 7228, 8340, 9035, 9220, 10842, 11986, 13830, 17979, 18070, 21684, 23972, 27105, 27660, 29965, 35958, 36140, 54210, 59930, 64079, 71916, 89895, 108420, 119860, 128158, 179790, 192237, 256316, 320395, 359580, 384474, 640790, 768948, 833027, 961185, 1281580, 1666054, 1922370, 2499081, 3332108, 3844740, 4165135, 4998162, 8330270, 9996324, 12495405, 16660540, 24990810, 49981620]

約数ペア:

[(1, 49981620), (2, 24990810), (3, 16660540), (4, 12495405), (5, 9996324), (6, 8330270), (10, 4998162), (12, 4165135), (13, 3844740), (15, 3332108), (20, 2499081), (26, 1922370), (30, 1666054), (39, 1281580), (52, 961185), (60, 833027), (65, 768948), (78, 640790), (130, 384474), (139, 359580), (156, 320395), (195, 256316), (260, 192237), (278, 179790), (390, 128158), (417, 119860), (461, 108420), (556, 89895), (695, 71916), (780, 64079), (834, 59930), (922, 54210), (1383, 36140), (1390, 35958), (1668, 29965), (1807, 27660), (1844, 27105), (2085, 23972), (2305, 21684), (2766, 18070), (2780, 17979), (3614, 13830), (4170, 11986), (4610, 10842), (5421, 9220), (5532, 9035), (5993, 8340), (6915, 7228)]