2278994120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{20771}}^1$

素因数の和:21006

約数の個数: 64

約数和(自身を含む): 5548616640

約数和(自身を除く): 3269622520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 520, 844, 1055, 1688, 2110, 2743, 4220, 5486, 8440, 10972, 13715, 20771, 21944, 27430, 41542, 54860, 83084, 103855, 109720, 166168, 207710, 270023, 415420, 540046, 830840, 1080092, 1350115, 2160184, 2700230, 4382681, 5400460, 8765362, 10800920, 17530724, 21913405, 35061448, 43826810, 56974853, 87653620, 113949706, 175307240, 227899412, 284874265, 455798824, 569748530, 1139497060, 2278994120]

約数ペア:

[(1, 2278994120), (2, 1139497060), (4, 569748530), (5, 455798824), (8, 284874265), (10, 227899412), (13, 175307240), (20, 113949706), (26, 87653620), (40, 56974853), (52, 43826810), (65, 35061448), (104, 21913405), (130, 17530724), (211, 10800920), (260, 8765362), (422, 5400460), (520, 4382681), (844, 2700230), (1055, 2160184), (1688, 1350115), (2110, 1080092), (2743, 830840), (4220, 540046), (5486, 415420), (8440, 270023), (10972, 207710), (13715, 166168), (20771, 109720), (21944, 103855), (27430, 83084), (41542, 54860)]