667652020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{503}}^1$

素因数の和:1037

約数の個数: 96

約数和(自身を含む): 1693440000

約数和(自身を除く): 1025787980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 499, 503, 532, 665, 998, 1006, 1330, 1996, 2012, 2495, 2515, 2660, 3493, 3521, 4990, 5030, 6986, 7042, 9481, 9557, 9980, 10060, 13972, 14084, 17465, 17605, 18962, 19114, 34930, 35210, 37924, 38228, 47405, 47785, 66367, 66899, 69860, 70420, 94810, 95570, 132734, 133798, 189620, 191140, 250997, 265468, 267596, 331835, 334495, 501994, 663670, 668990, 1003988, 1254985, 1327340, 1337980, 1756979, 2509970, 3513958, 4768943, 5019940, 7027916, 8784895, 9537886, 17569790, 19075772, 23844715, 33382601, 35139580, 47689430, 66765202, 95378860, 133530404, 166913005, 333826010, 667652020]

約数ペア:

[(1, 667652020), (2, 333826010), (4, 166913005), (5, 133530404), (7, 95378860), (10, 66765202), (14, 47689430), (19, 35139580), (20, 33382601), (28, 23844715), (35, 19075772), (38, 17569790), (70, 9537886), (76, 8784895), (95, 7027916), (133, 5019940), (140, 4768943), (190, 3513958), (266, 2509970), (380, 1756979), (499, 1337980), (503, 1327340), (532, 1254985), (665, 1003988), (998, 668990), (1006, 663670), (1330, 501994), (1996, 334495), (2012, 331835), (2495, 267596), (2515, 265468), (2660, 250997), (3493, 191140), (3521, 189620), (4990, 133798), (5030, 132734), (6986, 95570), (7042, 94810), (9481, 70420), (9557, 69860), (9980, 66899), (10060, 66367), (13972, 47785), (14084, 47405), (17465, 38228), (17605, 37924), (18962, 35210), (19114, 34930)]