289204890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1332

約数の個数: 128

約数和(自身を含む): 812851200

約数和(自身を除く): 523646310

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 93, 95, 114, 130, 155, 186, 190, 195, 247, 285, 310, 390, 403, 465, 494, 570, 589, 741, 806, 930, 1178, 1209, 1235, 1259, 1482, 1767, 2015, 2418, 2470, 2518, 2945, 3534, 3705, 3777, 4030, 5890, 6045, 6295, 7410, 7554, 7657, 8835, 12090, 12590, 15314, 16367, 17670, 18885, 22971, 23921, 32734, 37770, 38285, 39029, 45942, 47842, 49101, 71763, 76570, 78058, 81835, 98202, 114855, 117087, 119605, 143526, 163670, 195145, 229710, 234174, 239210, 245505, 310973, 358815, 390290, 491010, 507377, 585435, 621946, 717630, 741551, 932919, 1014754, 1170870, 1483102, 1522131, 1554865, 1865838, 2224653, 2536885, 3044262, 3109730, 3707755, 4449306, 4664595, 5073770, 7415510, 7610655, 9329190, 9640163, 11123265, 15221310, 19280326, 22246530, 28920489, 48200815, 57840978, 96401630, 144602445, 289204890]

約数ペア:

[(1, 289204890), (2, 144602445), (3, 96401630), (5, 57840978), (6, 48200815), (10, 28920489), (13, 22246530), (15, 19280326), (19, 15221310), (26, 11123265), (30, 9640163), (31, 9329190), (38, 7610655), (39, 7415510), (57, 5073770), (62, 4664595), (65, 4449306), (78, 3707755), (93, 3109730), (95, 3044262), (114, 2536885), (130, 2224653), (155, 1865838), (186, 1554865), (190, 1522131), (195, 1483102), (247, 1170870), (285, 1014754), (310, 932919), (390, 741551), (403, 717630), (465, 621946), (494, 585435), (570, 507377), (589, 491010), (741, 390290), (806, 358815), (930, 310973), (1178, 245505), (1209, 239210), (1235, 234174), (1259, 229710), (1482, 195145), (1767, 163670), (2015, 143526), (2418, 119605), (2470, 117087), (2518, 114855), (2945, 98202), (3534, 81835), (3705, 78058), (3777, 76570), (4030, 71763), (5890, 49101), (6045, 47842), (6295, 45942), (7410, 39029), (7554, 38285), (7657, 37770), (8835, 32734), (12090, 23921), (12590, 22971), (15314, 18885), (16367, 17670)]