13219220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 33868800

約数和(自身を除く): 20649580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 47, 49, 70, 82, 94, 98, 140, 164, 188, 196, 205, 235, 245, 287, 329, 343, 410, 470, 490, 574, 658, 686, 820, 940, 980, 1148, 1316, 1372, 1435, 1645, 1715, 1927, 2009, 2303, 2870, 3290, 3430, 3854, 4018, 4606, 5740, 6580, 6860, 7708, 8036, 9212, 9635, 10045, 11515, 13489, 14063, 16121, 19270, 20090, 23030, 26978, 28126, 32242, 38540, 40180, 46060, 53956, 56252, 64484, 67445, 70315, 80605, 94423, 134890, 140630, 161210, 188846, 269780, 281260, 322420, 377692, 472115, 660961, 944230, 1321922, 1888460, 2643844, 3304805, 6609610, 13219220]

約数ペア:

[(1, 13219220), (2, 6609610), (4, 3304805), (5, 2643844), (7, 1888460), (10, 1321922), (14, 944230), (20, 660961), (28, 472115), (35, 377692), (41, 322420), (47, 281260), (49, 269780), (70, 188846), (82, 161210), (94, 140630), (98, 134890), (140, 94423), (164, 80605), (188, 70315), (196, 67445), (205, 64484), (235, 56252), (245, 53956), (287, 46060), (329, 40180), (343, 38540), (410, 32242), (470, 28126), (490, 26978), (574, 23030), (658, 20090), (686, 19270), (820, 16121), (940, 14063), (980, 13489), (1148, 11515), (1316, 10045), (1372, 9635), (1435, 9212), (1645, 8036), (1715, 7708), (1927, 6860), (2009, 6580), (2303, 5740), (2870, 4606), (3290, 4018), (3430, 3854)]