42429860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 99542520

約数和(自身を除く): 57112660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 121, 178, 197, 220, 242, 356, 394, 445, 484, 605, 788, 890, 979, 985, 1210, 1780, 1958, 1970, 2167, 2420, 3916, 3940, 4334, 4895, 8668, 9790, 10769, 10835, 17533, 19580, 21538, 21670, 23837, 35066, 43076, 43340, 47674, 53845, 70132, 87665, 95348, 107690, 119185, 175330, 192863, 215380, 238370, 350660, 385726, 476740, 771452, 964315, 1928630, 2121493, 3857260, 4242986, 8485972, 10607465, 21214930, 42429860]

約数ペア:

[(1, 42429860), (2, 21214930), (4, 10607465), (5, 8485972), (10, 4242986), (11, 3857260), (20, 2121493), (22, 1928630), (44, 964315), (55, 771452), (89, 476740), (110, 385726), (121, 350660), (178, 238370), (197, 215380), (220, 192863), (242, 175330), (356, 119185), (394, 107690), (445, 95348), (484, 87665), (605, 70132), (788, 53845), (890, 47674), (979, 43340), (985, 43076), (1210, 35066), (1780, 23837), (1958, 21670), (1970, 21538), (2167, 19580), (2420, 17533), (3916, 10835), (3940, 10769), (4334, 9790), (4895, 8668)]