2220228920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{839}}^1$

素因数の和:1597

約数の個数: 128

約数和(自身を含む): 6164121600

約数和(自身を除く): 3943892680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 727, 728, 839, 910, 1454, 1678, 1820, 2908, 3356, 3635, 3640, 4195, 5089, 5816, 5873, 6712, 7270, 8390, 9451, 10178, 10907, 11746, 14540, 16780, 18902, 20356, 21814, 23492, 25445, 29080, 29365, 33560, 37804, 40712, 43628, 46984, 47255, 50890, 54535, 58730, 66157, 75608, 76349, 87256, 94510, 101780, 109070, 117460, 132314, 152698, 189020, 203560, 218140, 234920, 264628, 305396, 330785, 378040, 381745, 436280, 529256, 609953, 610792, 661570, 763490, 1219906, 1323140, 1526980, 2439812, 2646280, 3049765, 3053960, 4269671, 4879624, 6099530, 7929389, 8539342, 12199060, 15858778, 17078684, 21348355, 24398120, 31717556, 34157368, 39646945, 42696710, 55505723, 63435112, 79293890, 85393420, 111011446, 158587780, 170786840, 222022892, 277528615, 317175560, 444045784, 555057230, 1110114460, 2220228920]

約数ペア:

[(1, 2220228920), (2, 1110114460), (4, 555057230), (5, 444045784), (7, 317175560), (8, 277528615), (10, 222022892), (13, 170786840), (14, 158587780), (20, 111011446), (26, 85393420), (28, 79293890), (35, 63435112), (40, 55505723), (52, 42696710), (56, 39646945), (65, 34157368), (70, 31717556), (91, 24398120), (104, 21348355), (130, 17078684), (140, 15858778), (182, 12199060), (260, 8539342), (280, 7929389), (364, 6099530), (455, 4879624), (520, 4269671), (727, 3053960), (728, 3049765), (839, 2646280), (910, 2439812), (1454, 1526980), (1678, 1323140), (1820, 1219906), (2908, 763490), (3356, 661570), (3635, 610792), (3640, 609953), (4195, 529256), (5089, 436280), (5816, 381745), (5873, 378040), (6712, 330785), (7270, 305396), (8390, 264628), (9451, 234920), (10178, 218140), (10907, 203560), (11746, 189020), (14540, 152698), (16780, 132314), (18902, 117460), (20356, 109070), (21814, 101780), (23492, 94510), (25445, 87256), (29080, 76349), (29365, 75608), (33560, 66157), (37804, 58730), (40712, 54535), (43628, 50890), (46984, 47255)]