202430608420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4987}}^1\times {\mathrm{15493}}^1$

素因数の和:20620

約数の個数: 48

約数和(自身を含む): 428462895168

約数和(自身を除く): 226032286748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 4987, 9974, 15493, 19948, 24935, 30986, 49870, 61972, 77465, 99740, 154930, 309860, 653297, 1306594, 2029583, 2613188, 3266485, 4059166, 6532970, 8118332, 10147915, 13065940, 20295830, 40591660, 77263591, 154527182, 309054364, 386317955, 772635910, 1545271820, 10121530421, 20243060842, 40486121684, 50607652105, 101215304210, 202430608420]

約数ペア:

[(1, 202430608420), (2, 101215304210), (4, 50607652105), (5, 40486121684), (10, 20243060842), (20, 10121530421), (131, 1545271820), (262, 772635910), (524, 386317955), (655, 309054364), (1310, 154527182), (2620, 77263591), (4987, 40591660), (9974, 20295830), (15493, 13065940), (19948, 10147915), (24935, 8118332), (30986, 6532970), (49870, 4059166), (61972, 3266485), (77465, 2613188), (99740, 2029583), (154930, 1306594), (309860, 653297)]