189621180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21499}}^1$

素因数の和:21528

約数の個数: 108

約数和(自身を含む): 669123000

約数和(自身を除く): 479501820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21499, 42998, 64497, 85996, 107495, 128994, 150493, 193491, 214990, 257988, 300986, 322485, 386982, 429980, 451479, 601972, 644970, 752465, 773964, 902958, 967455, 1053451, 1289940, 1354437, 1504930, 1805916, 1934910, 2106902, 2257395, 2708874, 3009860, 3160353, 3869820, 4213804, 4514790, 5267255, 5417748, 6320706, 6772185, 9029580, 9481059, 10534510, 12641412, 13544370, 15801765, 18962118, 21069020, 27088740, 31603530, 37924236, 47405295, 63207060, 94810590, 189621180]

約数ペア:

[(1, 189621180), (2, 94810590), (3, 63207060), (4, 47405295), (5, 37924236), (6, 31603530), (7, 27088740), (9, 21069020), (10, 18962118), (12, 15801765), (14, 13544370), (15, 12641412), (18, 10534510), (20, 9481059), (21, 9029580), (28, 6772185), (30, 6320706), (35, 5417748), (36, 5267255), (42, 4514790), (45, 4213804), (49, 3869820), (60, 3160353), (63, 3009860), (70, 2708874), (84, 2257395), (90, 2106902), (98, 1934910), (105, 1805916), (126, 1504930), (140, 1354437), (147, 1289940), (180, 1053451), (196, 967455), (210, 902958), (245, 773964), (252, 752465), (294, 644970), (315, 601972), (420, 451479), (441, 429980), (490, 386982), (588, 322485), (630, 300986), (735, 257988), (882, 214990), (980, 193491), (1260, 150493), (1470, 128994), (1764, 107495), (2205, 85996), (2940, 64497), (4410, 42998), (8820, 21499)]