12209780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 30965760

約数和(自身を除く): 18755980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 127, 190, 209, 220, 230, 253, 254, 380, 418, 437, 460, 506, 508, 635, 836, 874, 1012, 1045, 1265, 1270, 1397, 1748, 2090, 2185, 2413, 2530, 2540, 2794, 2921, 4180, 4370, 4807, 4826, 5060, 5588, 5842, 6985, 8740, 9614, 9652, 11684, 12065, 13970, 14605, 19228, 24035, 24130, 26543, 27940, 29210, 32131, 48070, 48260, 53086, 55499, 58420, 64262, 96140, 106172, 110998, 128524, 132715, 160655, 221996, 265430, 277495, 321310, 530860, 554990, 610489, 642620, 1109980, 1220978, 2441956, 3052445, 6104890, 12209780]

約数ペア:

[(1, 12209780), (2, 6104890), (4, 3052445), (5, 2441956), (10, 1220978), (11, 1109980), (19, 642620), (20, 610489), (22, 554990), (23, 530860), (38, 321310), (44, 277495), (46, 265430), (55, 221996), (76, 160655), (92, 132715), (95, 128524), (110, 110998), (115, 106172), (127, 96140), (190, 64262), (209, 58420), (220, 55499), (230, 53086), (253, 48260), (254, 48070), (380, 32131), (418, 29210), (437, 27940), (460, 26543), (506, 24130), (508, 24035), (635, 19228), (836, 14605), (874, 13970), (1012, 12065), (1045, 11684), (1265, 9652), (1270, 9614), (1397, 8740), (1748, 6985), (2090, 5842), (2185, 5588), (2413, 5060), (2530, 4826), (2540, 4807), (2794, 4370), (2921, 4180)]