28809690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 86994432

約数和(自身を除く): 58184742

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 61, 65, 70, 78, 91, 105, 122, 130, 173, 182, 183, 195, 210, 273, 305, 346, 366, 390, 427, 455, 519, 546, 610, 793, 854, 865, 910, 915, 1038, 1211, 1281, 1365, 1586, 1730, 1830, 2135, 2249, 2379, 2422, 2562, 2595, 2730, 3633, 3965, 4270, 4498, 4758, 5190, 5551, 6055, 6405, 6747, 7266, 7930, 10553, 11102, 11245, 11895, 12110, 12810, 13494, 15743, 16653, 18165, 21106, 22490, 23790, 27755, 31486, 31659, 33306, 33735, 36330, 47229, 52765, 55510, 63318, 67470, 73871, 78715, 83265, 94458, 105530, 137189, 147742, 157430, 158295, 166530, 221613, 236145, 274378, 316590, 369355, 411567, 443226, 472290, 685945, 738710, 823134, 960323, 1108065, 1371890, 1920646, 2057835, 2216130, 2880969, 4115670, 4801615, 5761938, 9603230, 14404845, 28809690]

約数ペア:

[(1, 28809690), (2, 14404845), (3, 9603230), (5, 5761938), (6, 4801615), (7, 4115670), (10, 2880969), (13, 2216130), (14, 2057835), (15, 1920646), (21, 1371890), (26, 1108065), (30, 960323), (35, 823134), (39, 738710), (42, 685945), (61, 472290), (65, 443226), (70, 411567), (78, 369355), (91, 316590), (105, 274378), (122, 236145), (130, 221613), (173, 166530), (182, 158295), (183, 157430), (195, 147742), (210, 137189), (273, 105530), (305, 94458), (346, 83265), (366, 78715), (390, 73871), (427, 67470), (455, 63318), (519, 55510), (546, 52765), (610, 47229), (793, 36330), (854, 33735), (865, 33306), (910, 31659), (915, 31486), (1038, 27755), (1211, 23790), (1281, 22490), (1365, 21106), (1586, 18165), (1730, 16653), (1830, 15743), (2135, 13494), (2249, 12810), (2379, 12110), (2422, 11895), (2562, 11245), (2595, 11102), (2730, 10553), (3633, 7930), (3965, 7266), (4270, 6747), (4498, 6405), (4758, 6055), (5190, 5551)]