49890680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 137134080

約数和(自身を除く): 87243400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 61, 70, 92, 115, 122, 127, 140, 161, 184, 230, 244, 254, 280, 305, 322, 427, 460, 488, 508, 610, 635, 644, 805, 854, 889, 920, 1016, 1220, 1270, 1288, 1403, 1610, 1708, 1778, 2135, 2440, 2540, 2806, 2921, 3220, 3416, 3556, 4270, 4445, 5080, 5612, 5842, 6440, 7015, 7112, 7747, 8540, 8890, 9821, 11224, 11684, 14030, 14605, 15494, 17080, 17780, 19642, 20447, 23368, 28060, 29210, 30988, 35560, 38735, 39284, 40894, 49105, 54229, 56120, 58420, 61976, 77470, 78568, 81788, 98210, 102235, 108458, 116840, 154940, 163576, 178181, 196420, 204470, 216916, 271145, 309880, 356362, 392840, 408940, 433832, 542290, 712724, 817880, 890905, 1084580, 1247267, 1425448, 1781810, 2169160, 2494534, 3563620, 4989068, 6236335, 7127240, 9978136, 12472670, 24945340, 49890680]

約数ペア:

[(1, 49890680), (2, 24945340), (4, 12472670), (5, 9978136), (7, 7127240), (8, 6236335), (10, 4989068), (14, 3563620), (20, 2494534), (23, 2169160), (28, 1781810), (35, 1425448), (40, 1247267), (46, 1084580), (56, 890905), (61, 817880), (70, 712724), (92, 542290), (115, 433832), (122, 408940), (127, 392840), (140, 356362), (161, 309880), (184, 271145), (230, 216916), (244, 204470), (254, 196420), (280, 178181), (305, 163576), (322, 154940), (427, 116840), (460, 108458), (488, 102235), (508, 98210), (610, 81788), (635, 78568), (644, 77470), (805, 61976), (854, 58420), (889, 56120), (920, 54229), (1016, 49105), (1220, 40894), (1270, 39284), (1288, 38735), (1403, 35560), (1610, 30988), (1708, 29210), (1778, 28060), (2135, 23368), (2440, 20447), (2540, 19642), (2806, 17780), (2921, 17080), (3220, 15494), (3416, 14605), (3556, 14030), (4270, 11684), (4445, 11224), (5080, 9821), (5612, 8890), (5842, 8540), (6440, 7747), (7015, 7112)]