989653120

素因数分解:

$2^7\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3673}}^1$

素因数の和:4113

約数の個数: 64

約数和(自身を含む): 2372154840

約数和(自身を除く): 1382501720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 421, 640, 842, 1684, 2105, 3368, 3673, 4210, 6736, 7346, 8420, 13472, 14692, 16840, 18365, 26944, 29384, 33680, 36730, 53888, 58768, 67360, 73460, 117536, 134720, 146920, 235072, 269440, 293840, 470144, 587680, 1175360, 1546333, 2350720, 3092666, 6185332, 7731665, 12370664, 15463330, 24741328, 30926660, 49482656, 61853320, 98965312, 123706640, 197930624, 247413280, 494826560, 989653120]

約数ペア:

[(1, 989653120), (2, 494826560), (4, 247413280), (5, 197930624), (8, 123706640), (10, 98965312), (16, 61853320), (20, 49482656), (32, 30926660), (40, 24741328), (64, 15463330), (80, 12370664), (128, 7731665), (160, 6185332), (320, 3092666), (421, 2350720), (640, 1546333), (842, 1175360), (1684, 587680), (2105, 470144), (3368, 293840), (3673, 269440), (4210, 235072), (6736, 146920), (7346, 134720), (8420, 117536), (13472, 73460), (14692, 67360), (16840, 58768), (18365, 53888), (26944, 36730), (29384, 33680)]