90111604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 187689600

約数和(自身を除く): 97577996

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 121, 164, 209, 239, 242, 418, 451, 478, 484, 779, 836, 902, 956, 1558, 1804, 2299, 2629, 3116, 4541, 4598, 4961, 5258, 8569, 9082, 9196, 9799, 9922, 10516, 17138, 18164, 19598, 19844, 28919, 34276, 39196, 49951, 57838, 94259, 99902, 107789, 115676, 186181, 188518, 199804, 215578, 372362, 377036, 431156, 549461, 744724, 1098922, 1185679, 2047991, 2197844, 2371358, 4095982, 4742716, 8191964, 22527901, 45055802, 90111604]

約数ペア:

[(1, 90111604), (2, 45055802), (4, 22527901), (11, 8191964), (19, 4742716), (22, 4095982), (38, 2371358), (41, 2197844), (44, 2047991), (76, 1185679), (82, 1098922), (121, 744724), (164, 549461), (209, 431156), (239, 377036), (242, 372362), (418, 215578), (451, 199804), (478, 188518), (484, 186181), (779, 115676), (836, 107789), (902, 99902), (956, 94259), (1558, 57838), (1804, 49951), (2299, 39196), (2629, 34276), (3116, 28919), (4541, 19844), (4598, 19598), (4961, 18164), (5258, 17138), (8569, 10516), (9082, 9922), (9196, 9799)]