391004860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{5581}}^1$

素因数の和:5734

約数の個数: 48

約数和(自身を含む): 855251712

約数和(自身を除く): 464246852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 2260, 3503, 5581, 7006, 11162, 14012, 17515, 22324, 27905, 35030, 55810, 70060, 111620, 173011, 346022, 630653, 692044, 865055, 1261306, 1730110, 2522612, 3153265, 3460220, 6306530, 12613060, 19550243, 39100486, 78200972, 97751215, 195502430, 391004860]

約数ペア:

[(1, 391004860), (2, 195502430), (4, 97751215), (5, 78200972), (10, 39100486), (20, 19550243), (31, 12613060), (62, 6306530), (113, 3460220), (124, 3153265), (155, 2522612), (226, 1730110), (310, 1261306), (452, 865055), (565, 692044), (620, 630653), (1130, 346022), (2260, 173011), (3503, 111620), (5581, 70060), (7006, 55810), (11162, 35030), (14012, 27905), (17515, 22324)]