49209937880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1681

約数の個数: 128

約数和(自身を含む): 114998400000

約数和(自身を除く): 65788462120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 172, 199, 215, 218, 344, 398, 430, 436, 545, 796, 860, 872, 995, 1090, 1319, 1592, 1720, 1990, 2180, 2638, 3980, 4360, 4687, 5276, 6595, 7960, 8557, 9374, 10552, 13190, 17114, 18748, 21691, 23435, 26380, 34228, 37496, 42785, 43382, 46870, 52760, 56717, 68456, 85570, 86764, 93740, 108455, 113434, 143771, 171140, 173528, 187480, 216910, 226868, 262481, 283585, 287542, 342280, 433820, 453736, 524962, 567170, 575084, 718855, 867640, 932713, 1049924, 1134340, 1150168, 1312405, 1437710, 1865426, 2099848, 2268680, 2624810, 2875420, 3730852, 4663565, 5249620, 5750840, 6182153, 7461704, 9327130, 10499240, 11286683, 12364306, 18654260, 22573366, 24728612, 28610429, 30910765, 37308520, 45146732, 49457224, 56433415, 57220858, 61821530, 90293464, 112866830, 114441716, 123643060, 143052145, 225733660, 228883432, 247286120, 286104290, 451467320, 572208580, 1144417160, 1230248447, 2460496894, 4920993788, 6151242235, 9841987576, 12302484470, 24604968940, 49209937880]

約数ペア:

[(1, 49209937880), (2, 24604968940), (4, 12302484470), (5, 9841987576), (8, 6151242235), (10, 4920993788), (20, 2460496894), (40, 1230248447), (43, 1144417160), (86, 572208580), (109, 451467320), (172, 286104290), (199, 247286120), (215, 228883432), (218, 225733660), (344, 143052145), (398, 123643060), (430, 114441716), (436, 112866830), (545, 90293464), (796, 61821530), (860, 57220858), (872, 56433415), (995, 49457224), (1090, 45146732), (1319, 37308520), (1592, 30910765), (1720, 28610429), (1990, 24728612), (2180, 22573366), (2638, 18654260), (3980, 12364306), (4360, 11286683), (4687, 10499240), (5276, 9327130), (6595, 7461704), (7960, 6182153), (8557, 5750840), (9374, 5249620), (10552, 4663565), (13190, 3730852), (17114, 2875420), (18748, 2624810), (21691, 2268680), (23435, 2099848), (26380, 1865426), (34228, 1437710), (37496, 1312405), (42785, 1150168), (43382, 1134340), (46870, 1049924), (52760, 932713), (56717, 867640), (68456, 718855), (85570, 575084), (86764, 567170), (93740, 524962), (108455, 453736), (113434, 433820), (143771, 342280), (171140, 287542), (173528, 283585), (187480, 262481), (216910, 226868)]