890246530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:955

約数の個数: 64

約数和(自身を含む): 1715696640

約数和(自身を除く): 825450110

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 89, 155, 178, 205, 310, 410, 445, 787, 890, 1271, 1574, 2542, 2759, 3649, 3935, 5518, 6355, 7298, 7870, 12710, 13795, 18245, 24397, 27590, 32267, 36490, 48794, 64534, 70043, 113119, 121985, 140086, 161335, 226238, 243970, 322670, 350215, 565595, 700430, 1000277, 1131190, 2000554, 2171333, 2871763, 4342666, 5001385, 5743526, 10002770, 10856665, 14358815, 21713330, 28717630, 89024653, 178049306, 445123265, 890246530]

約数ペア:

[(1, 890246530), (2, 445123265), (5, 178049306), (10, 89024653), (31, 28717630), (41, 21713330), (62, 14358815), (82, 10856665), (89, 10002770), (155, 5743526), (178, 5001385), (205, 4342666), (310, 2871763), (410, 2171333), (445, 2000554), (787, 1131190), (890, 1000277), (1271, 700430), (1574, 565595), (2542, 350215), (2759, 322670), (3649, 243970), (3935, 226238), (5518, 161335), (6355, 140086), (7298, 121985), (7870, 113119), (12710, 70043), (13795, 64534), (18245, 48794), (24397, 36490), (27590, 32267)]