538790780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21673}}^1$

素因数の和:21806

約数の個数: 48

約数和(自身を含む): 1245301344

約数和(自身を除く): 706510564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1243, 2260, 2486, 4972, 6215, 12430, 21673, 24860, 43346, 86692, 108365, 216730, 238403, 433460, 476806, 953612, 1192015, 2384030, 2449049, 4768060, 4898098, 9796196, 12245245, 24490490, 26939539, 48980980, 53879078, 107758156, 134697695, 269395390, 538790780]

約数ペア:

[(1, 538790780), (2, 269395390), (4, 134697695), (5, 107758156), (10, 53879078), (11, 48980980), (20, 26939539), (22, 24490490), (44, 12245245), (55, 9796196), (110, 4898098), (113, 4768060), (220, 2449049), (226, 2384030), (452, 1192015), (565, 953612), (1130, 476806), (1243, 433460), (2260, 238403), (2486, 216730), (4972, 108365), (6215, 86692), (12430, 43346), (21673, 24860)]