68608340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 147329280

約数和(自身を除く): 78720940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 173, 251, 316, 346, 395, 502, 692, 790, 865, 1004, 1255, 1580, 1730, 2510, 3460, 5020, 13667, 19829, 27334, 39658, 43423, 54668, 68335, 79316, 86846, 99145, 136670, 173692, 198290, 217115, 273340, 396580, 434230, 868460, 3430417, 6860834, 13721668, 17152085, 34304170, 68608340]

約数ペア:

[(1, 68608340), (2, 34304170), (4, 17152085), (5, 13721668), (10, 6860834), (20, 3430417), (79, 868460), (158, 434230), (173, 396580), (251, 273340), (316, 217115), (346, 198290), (395, 173692), (502, 136670), (692, 99145), (790, 86846), (865, 79316), (1004, 68335), (1255, 54668), (1580, 43423), (1730, 39658), (2510, 27334), (3460, 19829), (5020, 13667)]