385550720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19433}}^1$

素因数の和:19483

約数の個数: 64

約数和(自身を含む): 951488640

約数和(自身を除く): 565937920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19433, 19840, 38866, 77732, 97165, 155464, 194330, 310928, 388660, 602423, 621856, 777320, 1204846, 1243712, 1554640, 2409692, 2487424, 3012115, 3109280, 4819384, 6024230, 6218560, 9638768, 12048460, 12437120, 19277536, 24096920, 38555072, 48193840, 77110144, 96387680, 192775360, 385550720]

約数ペア:

[(1, 385550720), (2, 192775360), (4, 96387680), (5, 77110144), (8, 48193840), (10, 38555072), (16, 24096920), (20, 19277536), (31, 12437120), (32, 12048460), (40, 9638768), (62, 6218560), (64, 6024230), (80, 4819384), (124, 3109280), (128, 3012115), (155, 2487424), (160, 2409692), (248, 1554640), (310, 1243712), (320, 1204846), (496, 777320), (620, 621856), (640, 602423), (992, 388660), (1240, 310928), (1984, 194330), (2480, 155464), (3968, 97165), (4960, 77732), (9920, 38866), (19433, 19840)]