193520120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 445633920

約数和(自身を除く): 252113800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 163, 268, 326, 335, 443, 536, 652, 670, 815, 886, 1304, 1340, 1630, 1772, 2215, 2680, 3260, 3544, 4430, 6520, 8860, 10921, 17720, 21842, 29681, 43684, 54605, 59362, 72209, 87368, 109210, 118724, 144418, 148405, 218420, 237448, 288836, 296810, 361045, 436840, 577672, 593620, 722090, 1187240, 1444180, 2888360, 4838003, 9676006, 19352012, 24190015, 38704024, 48380030, 96760060, 193520120]

約数ペア:

[(1, 193520120), (2, 96760060), (4, 48380030), (5, 38704024), (8, 24190015), (10, 19352012), (20, 9676006), (40, 4838003), (67, 2888360), (134, 1444180), (163, 1187240), (268, 722090), (326, 593620), (335, 577672), (443, 436840), (536, 361045), (652, 296810), (670, 288836), (815, 237448), (886, 218420), (1304, 148405), (1340, 144418), (1630, 118724), (1772, 109210), (2215, 87368), (2680, 72209), (3260, 59362), (3544, 54605), (4430, 43684), (6520, 29681), (8860, 21842), (10921, 17720)]