145309640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1487}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 374976000

約数和(自身を除く): 229666360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 1396, 1487, 1745, 2443, 2792, 2974, 3490, 4886, 5948, 6980, 7435, 9772, 10409, 11896, 12215, 13960, 14870, 19544, 20818, 24430, 29740, 41636, 48860, 52045, 59480, 83272, 97720, 104090, 208180, 416360, 518963, 1037926, 2075852, 2594815, 3632741, 4151704, 5189630, 7265482, 10379260, 14530964, 18163705, 20758520, 29061928, 36327410, 72654820, 145309640]

約数ペア:

[(1, 145309640), (2, 72654820), (4, 36327410), (5, 29061928), (7, 20758520), (8, 18163705), (10, 14530964), (14, 10379260), (20, 7265482), (28, 5189630), (35, 4151704), (40, 3632741), (56, 2594815), (70, 2075852), (140, 1037926), (280, 518963), (349, 416360), (698, 208180), (1396, 104090), (1487, 97720), (1745, 83272), (2443, 59480), (2792, 52045), (2974, 48860), (3490, 41636), (4886, 29740), (5948, 24430), (6980, 20818), (7435, 19544), (9772, 14870), (10409, 13960), (11896, 12215)]