28313230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 96

約数和(自身を含む): 63203328

約数和(自身を除く): 34890098

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 31, 38, 46, 55, 62, 95, 110, 115, 155, 190, 209, 230, 253, 310, 341, 361, 418, 437, 506, 589, 682, 713, 722, 874, 1045, 1178, 1265, 1426, 1705, 1805, 2090, 2185, 2530, 2945, 3410, 3565, 3610, 3971, 4370, 4807, 5890, 6479, 7130, 7843, 7942, 8303, 9614, 11191, 12958, 13547, 15686, 16606, 19855, 22382, 24035, 27094, 32395, 39215, 39710, 41515, 48070, 55955, 64790, 67735, 78430, 83030, 91333, 111910, 123101, 135470, 149017, 182666, 246202, 257393, 298034, 456665, 514786, 615505, 745085, 913330, 1231010, 1286965, 1490170, 2573930, 2831323, 5662646, 14156615, 28313230]

約数ペア:

[(1, 28313230), (2, 14156615), (5, 5662646), (10, 2831323), (11, 2573930), (19, 1490170), (22, 1286965), (23, 1231010), (31, 913330), (38, 745085), (46, 615505), (55, 514786), (62, 456665), (95, 298034), (110, 257393), (115, 246202), (155, 182666), (190, 149017), (209, 135470), (230, 123101), (253, 111910), (310, 91333), (341, 83030), (361, 78430), (418, 67735), (437, 64790), (506, 55955), (589, 48070), (682, 41515), (713, 39710), (722, 39215), (874, 32395), (1045, 27094), (1178, 24035), (1265, 22382), (1426, 19855), (1705, 16606), (1805, 15686), (2090, 13547), (2185, 12958), (2530, 11191), (2945, 9614), (3410, 8303), (3565, 7942), (3610, 7843), (3971, 7130), (4370, 6479), (4807, 5890)]