243427940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 596420160

約数和(自身を除く): 352992220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 619, 742, 1060, 1238, 1484, 1855, 2476, 2809, 3095, 3710, 4333, 5618, 6190, 7420, 8666, 11236, 12380, 14045, 17332, 19663, 21665, 28090, 32807, 39326, 43330, 56180, 65614, 78652, 86660, 98315, 131228, 164035, 196630, 229649, 328070, 393260, 459298, 656140, 918596, 1148245, 1738771, 2296490, 3477542, 4592980, 6955084, 8693855, 12171397, 17387710, 24342794, 34775420, 48685588, 60856985, 121713970, 243427940]

約数ペア:

[(1, 243427940), (2, 121713970), (4, 60856985), (5, 48685588), (7, 34775420), (10, 24342794), (14, 17387710), (20, 12171397), (28, 8693855), (35, 6955084), (53, 4592980), (70, 3477542), (106, 2296490), (140, 1738771), (212, 1148245), (265, 918596), (371, 656140), (530, 459298), (619, 393260), (742, 328070), (1060, 229649), (1238, 196630), (1484, 164035), (1855, 131228), (2476, 98315), (2809, 86660), (3095, 78652), (3710, 65614), (4333, 56180), (5618, 43330), (6190, 39326), (7420, 32807), (8666, 28090), (11236, 21665), (12380, 19663), (14045, 17332)]