22490020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 56105784

約数和(自身を除く): 33615764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 433, 490, 530, 742, 866, 980, 1060, 1484, 1732, 1855, 2165, 2597, 3031, 3710, 4330, 5194, 6062, 7420, 8660, 10388, 12124, 12985, 15155, 21217, 22949, 25970, 30310, 42434, 45898, 51940, 60620, 84868, 91796, 106085, 114745, 160643, 212170, 229490, 321286, 424340, 458980, 642572, 803215, 1124501, 1606430, 2249002, 3212860, 4498004, 5622505, 11245010, 22490020]

約数ペア:

[(1, 22490020), (2, 11245010), (4, 5622505), (5, 4498004), (7, 3212860), (10, 2249002), (14, 1606430), (20, 1124501), (28, 803215), (35, 642572), (49, 458980), (53, 424340), (70, 321286), (98, 229490), (106, 212170), (140, 160643), (196, 114745), (212, 106085), (245, 91796), (265, 84868), (371, 60620), (433, 51940), (490, 45898), (530, 42434), (742, 30310), (866, 25970), (980, 22949), (1060, 21217), (1484, 15155), (1732, 12985), (1855, 12124), (2165, 10388), (2597, 8660), (3031, 7420), (3710, 6062), (4330, 5194)]