156640900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1193}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 369991944

約数和(自身を除く): 213351044

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 202, 260, 325, 404, 505, 650, 1010, 1193, 1300, 1313, 2020, 2386, 2525, 2626, 4772, 5050, 5252, 5965, 6565, 10100, 11930, 13130, 15509, 23860, 26260, 29825, 31018, 32825, 59650, 62036, 65650, 77545, 119300, 120493, 131300, 155090, 240986, 310180, 387725, 481972, 602465, 775450, 1204930, 1550900, 1566409, 2409860, 3012325, 3132818, 6024650, 6265636, 7832045, 12049300, 15664090, 31328180, 39160225, 78320450, 156640900]

約数ペア:

[(1, 156640900), (2, 78320450), (4, 39160225), (5, 31328180), (10, 15664090), (13, 12049300), (20, 7832045), (25, 6265636), (26, 6024650), (50, 3132818), (52, 3012325), (65, 2409860), (100, 1566409), (101, 1550900), (130, 1204930), (202, 775450), (260, 602465), (325, 481972), (404, 387725), (505, 310180), (650, 240986), (1010, 155090), (1193, 131300), (1300, 120493), (1313, 119300), (2020, 77545), (2386, 65650), (2525, 62036), (2626, 59650), (4772, 32825), (5050, 31018), (5252, 29825), (5965, 26260), (6565, 23860), (10100, 15509), (11930, 13130)]