289893870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{941}}^1$

素因数の和:1127

約数の個数: 128

約数和(自身を含む): 889850880

約数和(自身を除く): 599957010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 163, 189, 210, 270, 315, 326, 378, 489, 630, 815, 941, 945, 978, 1141, 1467, 1630, 1882, 1890, 2282, 2445, 2823, 2934, 3423, 4401, 4705, 4890, 5646, 5705, 6587, 6846, 7335, 8469, 8802, 9410, 10269, 11410, 13174, 14115, 14670, 16938, 17115, 19761, 20538, 22005, 25407, 28230, 30807, 32935, 34230, 39522, 42345, 44010, 50814, 51345, 59283, 61614, 65870, 84690, 98805, 102690, 118566, 127035, 153383, 154035, 177849, 197610, 254070, 296415, 306766, 308070, 355698, 460149, 592830, 766915, 889245, 920298, 1073681, 1380447, 1533830, 1778490, 2147362, 2300745, 2760894, 3221043, 4141341, 4601490, 5368405, 6442086, 6902235, 8282682, 9663129, 10736810, 13804470, 16105215, 19326258, 20706705, 28989387, 32210430, 41413410, 48315645, 57978774, 96631290, 144946935, 289893870]

約数ペア:

[(1, 289893870), (2, 144946935), (3, 96631290), (5, 57978774), (6, 48315645), (7, 41413410), (9, 32210430), (10, 28989387), (14, 20706705), (15, 19326258), (18, 16105215), (21, 13804470), (27, 10736810), (30, 9663129), (35, 8282682), (42, 6902235), (45, 6442086), (54, 5368405), (63, 4601490), (70, 4141341), (90, 3221043), (105, 2760894), (126, 2300745), (135, 2147362), (163, 1778490), (189, 1533830), (210, 1380447), (270, 1073681), (315, 920298), (326, 889245), (378, 766915), (489, 592830), (630, 460149), (815, 355698), (941, 308070), (945, 306766), (978, 296415), (1141, 254070), (1467, 197610), (1630, 177849), (1882, 154035), (1890, 153383), (2282, 127035), (2445, 118566), (2823, 102690), (2934, 98805), (3423, 84690), (4401, 65870), (4705, 61614), (4890, 59283), (5646, 51345), (5705, 50814), (6587, 44010), (6846, 42345), (7335, 39522), (8469, 34230), (8802, 32935), (9410, 30807), (10269, 28230), (11410, 25407), (13174, 22005), (14115, 20538), (14670, 19761), (16938, 17115)]