251165180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 677376000

約数和(自身を除く): 426210820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 47, 49, 70, 76, 82, 94, 95, 98, 133, 140, 164, 188, 190, 196, 205, 235, 245, 266, 287, 329, 343, 380, 410, 470, 490, 532, 574, 658, 665, 686, 779, 820, 893, 931, 940, 980, 1148, 1316, 1330, 1372, 1435, 1558, 1645, 1715, 1786, 1862, 1927, 2009, 2303, 2660, 2870, 3116, 3290, 3430, 3572, 3724, 3854, 3895, 4018, 4465, 4606, 4655, 5453, 5740, 6251, 6517, 6580, 6860, 7708, 7790, 8036, 8930, 9212, 9310, 9635, 10045, 10906, 11515, 12502, 13034, 13489, 14063, 15580, 16121, 17860, 18620, 19270, 20090, 21812, 23030, 25004, 26068, 26978, 27265, 28126, 31255, 32242, 32585, 36613, 38171, 38540, 40180, 43757, 46060, 53956, 54530, 56252, 62510, 64484, 65170, 67445, 70315, 73226, 76342, 80605, 87514, 94423, 109060, 125020, 130340, 134890, 140630, 146452, 152684, 161210, 175028, 183065, 188846, 190855, 218785, 256291, 267197, 269780, 281260, 306299, 322420, 366130, 377692, 381710, 437570, 472115, 512582, 534394, 612598, 660961, 732260, 763420, 875140, 944230, 1025164, 1068788, 1225196, 1281455, 1321922, 1335985, 1531495, 1794037, 1888460, 2562910, 2643844, 2671970, 3062990, 3304805, 3588074, 5125820, 5343940, 6125980, 6609610, 7176148, 8970185, 12558259, 13219220, 17940370, 25116518, 35880740, 50233036, 62791295, 125582590, 251165180]

約数ペア:

[(1, 251165180), (2, 125582590), (4, 62791295), (5, 50233036), (7, 35880740), (10, 25116518), (14, 17940370), (19, 13219220), (20, 12558259), (28, 8970185), (35, 7176148), (38, 6609610), (41, 6125980), (47, 5343940), (49, 5125820), (70, 3588074), (76, 3304805), (82, 3062990), (94, 2671970), (95, 2643844), (98, 2562910), (133, 1888460), (140, 1794037), (164, 1531495), (188, 1335985), (190, 1321922), (196, 1281455), (205, 1225196), (235, 1068788), (245, 1025164), (266, 944230), (287, 875140), (329, 763420), (343, 732260), (380, 660961), (410, 612598), (470, 534394), (490, 512582), (532, 472115), (574, 437570), (658, 381710), (665, 377692), (686, 366130), (779, 322420), (820, 306299), (893, 281260), (931, 269780), (940, 267197), (980, 256291), (1148, 218785), (1316, 190855), (1330, 188846), (1372, 183065), (1435, 175028), (1558, 161210), (1645, 152684), (1715, 146452), (1786, 140630), (1862, 134890), (1927, 130340), (2009, 125020), (2303, 109060), (2660, 94423), (2870, 87514), (3116, 80605), (3290, 76342), (3430, 73226), (3572, 70315), (3724, 67445), (3854, 65170), (3895, 64484), (4018, 62510), (4465, 56252), (4606, 54530), (4655, 53956), (5453, 46060), (5740, 43757), (6251, 40180), (6517, 38540), (6580, 38171), (6860, 36613), (7708, 32585), (7790, 32242), (8036, 31255), (8930, 28126), (9212, 27265), (9310, 26978), (9635, 26068), (10045, 25004), (10906, 23030), (11515, 21812), (12502, 20090), (13034, 19270), (13489, 18620), (14063, 17860), (15580, 16121)]