906311780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:930

約数の個数: 144

約数和(自身を含む): 2300538240

約数和(自身を除く): 1394226460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 121, 190, 209, 220, 230, 242, 253, 380, 418, 437, 460, 484, 506, 605, 836, 857, 874, 1012, 1045, 1210, 1265, 1714, 1748, 2090, 2185, 2299, 2420, 2530, 2783, 3428, 4180, 4285, 4370, 4598, 4807, 5060, 5566, 8570, 8740, 9196, 9427, 9614, 11132, 11495, 13915, 16283, 17140, 18854, 19228, 19711, 22990, 24035, 27830, 32566, 37708, 39422, 45980, 47135, 48070, 52877, 55660, 65132, 78844, 81415, 94270, 96140, 98555, 103697, 105754, 162830, 179113, 188540, 197110, 207394, 211508, 216821, 264385, 325660, 358226, 374509, 394220, 414788, 433642, 518485, 528770, 716452, 749018, 867284, 895565, 1036970, 1057540, 1084105, 1498036, 1791130, 1872545, 1970243, 2073940, 2168210, 2385031, 3582260, 3745090, 3940486, 4119599, 4336420, 4770062, 7490180, 7880972, 8239198, 9540124, 9851215, 11925155, 16478396, 19702430, 20597995, 23850310, 39404860, 41195990, 45315589, 47700620, 82391980, 90631178, 181262356, 226577945, 453155890, 906311780]

約数ペア:

[(1, 906311780), (2, 453155890), (4, 226577945), (5, 181262356), (10, 90631178), (11, 82391980), (19, 47700620), (20, 45315589), (22, 41195990), (23, 39404860), (38, 23850310), (44, 20597995), (46, 19702430), (55, 16478396), (76, 11925155), (92, 9851215), (95, 9540124), (110, 8239198), (115, 7880972), (121, 7490180), (190, 4770062), (209, 4336420), (220, 4119599), (230, 3940486), (242, 3745090), (253, 3582260), (380, 2385031), (418, 2168210), (437, 2073940), (460, 1970243), (484, 1872545), (506, 1791130), (605, 1498036), (836, 1084105), (857, 1057540), (874, 1036970), (1012, 895565), (1045, 867284), (1210, 749018), (1265, 716452), (1714, 528770), (1748, 518485), (2090, 433642), (2185, 414788), (2299, 394220), (2420, 374509), (2530, 358226), (2783, 325660), (3428, 264385), (4180, 216821), (4285, 211508), (4370, 207394), (4598, 197110), (4807, 188540), (5060, 179113), (5566, 162830), (8570, 105754), (8740, 103697), (9196, 98555), (9427, 96140), (9614, 94270), (11132, 81415), (11495, 78844), (13915, 65132), (16283, 55660), (17140, 52877), (18854, 48070), (19228, 47135), (19711, 45980), (22990, 39422), (24035, 37708), (27830, 32566)]