76491940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 189173880

約数和(自身を除く): 112681940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 877, 890, 980, 1246, 1754, 1780, 2492, 3115, 3508, 4361, 4385, 6139, 6230, 8722, 8770, 12278, 12460, 17444, 17540, 21805, 24556, 30695, 42973, 43610, 61390, 78053, 85946, 87220, 122780, 156106, 171892, 214865, 312212, 390265, 429730, 546371, 780530, 859460, 1092742, 1561060, 2185484, 2731855, 3824597, 5463710, 7649194, 10927420, 15298388, 19122985, 38245970, 76491940]

約数ペア:

[(1, 76491940), (2, 38245970), (4, 19122985), (5, 15298388), (7, 10927420), (10, 7649194), (14, 5463710), (20, 3824597), (28, 2731855), (35, 2185484), (49, 1561060), (70, 1092742), (89, 859460), (98, 780530), (140, 546371), (178, 429730), (196, 390265), (245, 312212), (356, 214865), (445, 171892), (490, 156106), (623, 122780), (877, 87220), (890, 85946), (980, 78053), (1246, 61390), (1754, 43610), (1780, 42973), (2492, 30695), (3115, 24556), (3508, 21805), (4361, 17540), (4385, 17444), (6139, 12460), (6230, 12278), (8722, 8770)]