401049890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 783820800

約数和(自身を除く): 382770910

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 149, 170, 223, 298, 355, 446, 710, 745, 1115, 1207, 1490, 2230, 2414, 2533, 3791, 5066, 6035, 7582, 10579, 12070, 12665, 15833, 18955, 21158, 25330, 31666, 33227, 37910, 52895, 66454, 79165, 105790, 158330, 166135, 179843, 269161, 332270, 359686, 538322, 564859, 899215, 1129718, 1345805, 1798430, 2359117, 2691610, 2824295, 4718234, 5648590, 11795585, 23591170, 40104989, 80209978, 200524945, 401049890]

約数ペア:

[(1, 401049890), (2, 200524945), (5, 80209978), (10, 40104989), (17, 23591170), (34, 11795585), (71, 5648590), (85, 4718234), (142, 2824295), (149, 2691610), (170, 2359117), (223, 1798430), (298, 1345805), (355, 1129718), (446, 899215), (710, 564859), (745, 538322), (1115, 359686), (1207, 332270), (1490, 269161), (2230, 179843), (2414, 166135), (2533, 158330), (3791, 105790), (5066, 79165), (6035, 66454), (7582, 52895), (10579, 37910), (12070, 33227), (12665, 31666), (15833, 25330), (18955, 21158)]