209026760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1789}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 494899200

約数和(自身を除く): 285872440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 184, 230, 254, 460, 508, 635, 920, 1016, 1270, 1789, 2540, 2921, 3578, 5080, 5842, 7156, 8945, 11684, 14312, 14605, 17890, 23368, 29210, 35780, 41147, 58420, 71560, 82294, 116840, 164588, 205735, 227203, 329176, 411470, 454406, 822940, 908812, 1136015, 1645880, 1817624, 2272030, 4544060, 5225669, 9088120, 10451338, 20902676, 26128345, 41805352, 52256690, 104513380, 209026760]

約数ペア:

[(1, 209026760), (2, 104513380), (4, 52256690), (5, 41805352), (8, 26128345), (10, 20902676), (20, 10451338), (23, 9088120), (40, 5225669), (46, 4544060), (92, 2272030), (115, 1817624), (127, 1645880), (184, 1136015), (230, 908812), (254, 822940), (460, 454406), (508, 411470), (635, 329176), (920, 227203), (1016, 205735), (1270, 164588), (1789, 116840), (2540, 82294), (2921, 71560), (3578, 58420), (5080, 41147), (5842, 35780), (7156, 29210), (8945, 23368), (11684, 17890), (14312, 14605)]