421781640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{502121}}^1$

素因数の和:502142

約数の個数: 64

約数和(自身を含む): 1446111360

約数和(自身を除く): 1024329720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 502121, 1004242, 1506363, 2008484, 2510605, 3012726, 3514847, 4016968, 5021210, 6025452, 7029694, 7531815, 10042420, 10544541, 12050904, 14059388, 15063630, 17574235, 20084840, 21089082, 28118776, 30127260, 35148470, 42178164, 52722705, 60254520, 70296940, 84356328, 105445410, 140593880, 210890820, 421781640]

約数ペア:

[(1, 421781640), (2, 210890820), (3, 140593880), (4, 105445410), (5, 84356328), (6, 70296940), (7, 60254520), (8, 52722705), (10, 42178164), (12, 35148470), (14, 30127260), (15, 28118776), (20, 21089082), (21, 20084840), (24, 17574235), (28, 15063630), (30, 14059388), (35, 12050904), (40, 10544541), (42, 10042420), (56, 7531815), (60, 7029694), (70, 6025452), (84, 5021210), (105, 4016968), (120, 3514847), (140, 3012726), (168, 2510605), (210, 2008484), (280, 1506363), (420, 1004242), (840, 502121)]