38810940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 129773952

約数和(自身を除く): 90963012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 49, 60, 70, 84, 86, 98, 105, 129, 140, 147, 172, 196, 210, 215, 245, 258, 294, 301, 307, 420, 430, 490, 516, 588, 602, 614, 645, 735, 860, 903, 921, 980, 1204, 1228, 1290, 1470, 1505, 1535, 1806, 1842, 2107, 2149, 2580, 2940, 3010, 3070, 3612, 3684, 4214, 4298, 4515, 4605, 6020, 6140, 6321, 6447, 8428, 8596, 9030, 9210, 10535, 10745, 12642, 12894, 13201, 15043, 18060, 18420, 21070, 21490, 25284, 25788, 26402, 30086, 31605, 32235, 39603, 42140, 42980, 45129, 52804, 60172, 63210, 64470, 66005, 75215, 79206, 90258, 92407, 126420, 128940, 132010, 150430, 158412, 180516, 184814, 198015, 225645, 264020, 277221, 300860, 369628, 396030, 451290, 462035, 554442, 646849, 792060, 902580, 924070, 1108884, 1293698, 1386105, 1848140, 1940547, 2587396, 2772210, 3234245, 3881094, 5544420, 6468490, 7762188, 9702735, 12936980, 19405470, 38810940]

約数ペア:

[(1, 38810940), (2, 19405470), (3, 12936980), (4, 9702735), (5, 7762188), (6, 6468490), (7, 5544420), (10, 3881094), (12, 3234245), (14, 2772210), (15, 2587396), (20, 1940547), (21, 1848140), (28, 1386105), (30, 1293698), (35, 1108884), (42, 924070), (43, 902580), (49, 792060), (60, 646849), (70, 554442), (84, 462035), (86, 451290), (98, 396030), (105, 369628), (129, 300860), (140, 277221), (147, 264020), (172, 225645), (196, 198015), (210, 184814), (215, 180516), (245, 158412), (258, 150430), (294, 132010), (301, 128940), (307, 126420), (420, 92407), (430, 90258), (490, 79206), (516, 75215), (588, 66005), (602, 64470), (614, 63210), (645, 60172), (735, 52804), (860, 45129), (903, 42980), (921, 42140), (980, 39603), (1204, 32235), (1228, 31605), (1290, 30086), (1470, 26402), (1505, 25788), (1535, 25284), (1806, 21490), (1842, 21070), (2107, 18420), (2149, 18060), (2580, 15043), (2940, 13201), (3010, 12894), (3070, 12642), (3612, 10745), (3684, 10535), (4214, 9210), (4298, 9030), (4515, 8596), (4605, 8428), (6020, 6447), (6140, 6321)]