229671820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 565654320

約数和(自身を除く): 335982500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 917, 980, 1310, 1789, 1834, 2620, 3578, 3668, 4585, 6419, 7156, 8945, 9170, 12523, 12838, 17890, 18340, 25046, 25676, 32095, 35780, 50092, 62615, 64190, 87661, 125230, 128380, 175322, 234359, 250460, 350644, 438305, 468718, 876610, 937436, 1171795, 1640513, 1753220, 2343590, 3281026, 4687180, 6562052, 8202565, 11483591, 16405130, 22967182, 32810260, 45934364, 57417955, 114835910, 229671820]

約数ペア:

[(1, 229671820), (2, 114835910), (4, 57417955), (5, 45934364), (7, 32810260), (10, 22967182), (14, 16405130), (20, 11483591), (28, 8202565), (35, 6562052), (49, 4687180), (70, 3281026), (98, 2343590), (131, 1753220), (140, 1640513), (196, 1171795), (245, 937436), (262, 876610), (490, 468718), (524, 438305), (655, 350644), (917, 250460), (980, 234359), (1310, 175322), (1789, 128380), (1834, 125230), (2620, 87661), (3578, 64190), (3668, 62615), (4585, 50092), (6419, 35780), (7156, 32095), (8945, 25676), (9170, 25046), (12523, 18340), (12838, 17890)]