252989940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 192

約数和(自身を含む): 870912000

約数和(自身を除く): 617922060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 343, 380, 399, 420, 490, 532, 570, 588, 647, 665, 686, 735, 798, 931, 980, 1029, 1140, 1294, 1330, 1372, 1470, 1596, 1715, 1862, 1941, 1995, 2058, 2588, 2660, 2793, 2940, 3235, 3430, 3724, 3882, 3990, 4116, 4529, 4655, 5145, 5586, 6470, 6517, 6860, 7764, 7980, 9058, 9310, 9705, 10290, 11172, 12293, 12940, 13034, 13587, 13965, 18116, 18620, 19410, 19551, 20580, 22645, 24586, 26068, 27174, 27930, 31703, 32585, 36879, 38820, 39102, 45290, 49172, 54348, 55860, 61465, 63406, 65170, 67935, 73758, 78204, 86051, 90580, 95109, 97755, 122930, 126812, 130340, 135870, 147516, 158515, 172102, 184395, 190218, 195510, 221921, 245860, 258153, 271740, 317030, 344204, 368790, 380436, 391020, 430255, 443842, 475545, 516306, 602357, 634060, 665763, 737580, 860510, 887684, 951090, 1032612, 1109605, 1204714, 1290765, 1331526, 1721020, 1807071, 1902180, 2219210, 2409428, 2581530, 2663052, 3011785, 3328815, 3614142, 4216499, 4438420, 5163060, 6023570, 6657630, 7228284, 8432998, 9035355, 12047140, 12649497, 13315260, 16865996, 18070710, 21082495, 25298994, 36141420, 42164990, 50597988, 63247485, 84329980, 126494970, 252989940]

約数ペア:

[(1, 252989940), (2, 126494970), (3, 84329980), (4, 63247485), (5, 50597988), (6, 42164990), (7, 36141420), (10, 25298994), (12, 21082495), (14, 18070710), (15, 16865996), (19, 13315260), (20, 12649497), (21, 12047140), (28, 9035355), (30, 8432998), (35, 7228284), (38, 6657630), (42, 6023570), (49, 5163060), (57, 4438420), (60, 4216499), (70, 3614142), (76, 3328815), (84, 3011785), (95, 2663052), (98, 2581530), (105, 2409428), (114, 2219210), (133, 1902180), (140, 1807071), (147, 1721020), (190, 1331526), (196, 1290765), (210, 1204714), (228, 1109605), (245, 1032612), (266, 951090), (285, 887684), (294, 860510), (343, 737580), (380, 665763), (399, 634060), (420, 602357), (490, 516306), (532, 475545), (570, 443842), (588, 430255), (647, 391020), (665, 380436), (686, 368790), (735, 344204), (798, 317030), (931, 271740), (980, 258153), (1029, 245860), (1140, 221921), (1294, 195510), (1330, 190218), (1372, 184395), (1470, 172102), (1596, 158515), (1715, 147516), (1862, 135870), (1941, 130340), (1995, 126812), (2058, 122930), (2588, 97755), (2660, 95109), (2793, 90580), (2940, 86051), (3235, 78204), (3430, 73758), (3724, 67935), (3882, 65170), (3990, 63406), (4116, 61465), (4529, 55860), (4655, 54348), (5145, 49172), (5586, 45290), (6470, 39102), (6517, 38820), (6860, 36879), (7764, 32585), (7980, 31703), (9058, 27930), (9310, 27174), (9705, 26068), (10290, 24586), (11172, 22645), (12293, 20580), (12940, 19551), (13034, 19410), (13587, 18620), (13965, 18116)]