209990640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{5573}}^1$

素因数の和:5746

約数の個数: 80

約数和(自身を含む): 655234848

約数和(自身を除く): 445244208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 157, 240, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 2512, 3140, 3768, 4710, 5573, 6280, 7536, 9420, 11146, 12560, 16719, 18840, 22292, 27865, 33438, 37680, 44584, 55730, 66876, 83595, 89168, 111460, 133752, 167190, 222920, 267504, 334380, 445840, 668760, 874961, 1337520, 1749922, 2624883, 3499844, 4374805, 5249766, 6999688, 8749610, 10499532, 13124415, 13999376, 17499220, 20999064, 26248830, 34998440, 41998128, 52497660, 69996880, 104995320, 209990640]

約数ペア:

[(1, 209990640), (2, 104995320), (3, 69996880), (4, 52497660), (5, 41998128), (6, 34998440), (8, 26248830), (10, 20999064), (12, 17499220), (15, 13999376), (16, 13124415), (20, 10499532), (24, 8749610), (30, 6999688), (40, 5249766), (48, 4374805), (60, 3499844), (80, 2624883), (120, 1749922), (157, 1337520), (240, 874961), (314, 668760), (471, 445840), (628, 334380), (785, 267504), (942, 222920), (1256, 167190), (1570, 133752), (1884, 111460), (2355, 89168), (2512, 83595), (3140, 66876), (3768, 55730), (4710, 44584), (5573, 37680), (6280, 33438), (7536, 27865), (9420, 22292), (11146, 18840), (12560, 16719)]