231389720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1901}}^1$

素因数の和:2108

約数の個数: 64

約数和(自身を含む): 554623200

約数和(自身を除く): 323233480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 340, 358, 680, 716, 895, 1432, 1790, 1901, 3043, 3580, 3802, 6086, 7160, 7604, 9505, 12172, 15208, 15215, 19010, 24344, 30430, 32317, 38020, 60860, 64634, 76040, 121720, 129268, 161585, 258536, 323170, 340279, 646340, 680558, 1292680, 1361116, 1701395, 2722232, 3402790, 5784743, 6805580, 11569486, 13611160, 23138972, 28923715, 46277944, 57847430, 115694860, 231389720]

約数ペア:

[(1, 231389720), (2, 115694860), (4, 57847430), (5, 46277944), (8, 28923715), (10, 23138972), (17, 13611160), (20, 11569486), (34, 6805580), (40, 5784743), (68, 3402790), (85, 2722232), (136, 1701395), (170, 1361116), (179, 1292680), (340, 680558), (358, 646340), (680, 340279), (716, 323170), (895, 258536), (1432, 161585), (1790, 129268), (1901, 121720), (3043, 76040), (3580, 64634), (3802, 60860), (6086, 38020), (7160, 32317), (7604, 30430), (9505, 24344), (12172, 19010), (15208, 15215)]