2019460280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{34651}}^1$

素因数の和:34740

約数の個数: 64

約数和(自身を含む): 4790292480

約数和(自身を除く): 2770832200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2914, 5828, 7285, 11656, 14570, 29140, 34651, 58280, 69302, 138604, 173255, 277208, 346510, 693020, 1074181, 1386040, 1628597, 2148362, 3257194, 4296724, 5370905, 6514388, 8142985, 8593448, 10741810, 13028776, 16285970, 21483620, 32571940, 42967240, 50486507, 65143880, 100973014, 201946028, 252432535, 403892056, 504865070, 1009730140, 2019460280]

約数ペア:

[(1, 2019460280), (2, 1009730140), (4, 504865070), (5, 403892056), (8, 252432535), (10, 201946028), (20, 100973014), (31, 65143880), (40, 50486507), (47, 42967240), (62, 32571940), (94, 21483620), (124, 16285970), (155, 13028776), (188, 10741810), (235, 8593448), (248, 8142985), (310, 6514388), (376, 5370905), (470, 4296724), (620, 3257194), (940, 2148362), (1240, 1628597), (1457, 1386040), (1880, 1074181), (2914, 693020), (5828, 346510), (7285, 277208), (11656, 173255), (14570, 138604), (29140, 69302), (34651, 58280)]