287447420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{569}}^1$

素因数の和:687

約数の個数: 96

約数和(自身を含む): 683726400

約数和(自身を除く): 396278980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 67, 116, 130, 134, 145, 260, 268, 290, 335, 377, 569, 580, 670, 754, 871, 1138, 1340, 1508, 1742, 1885, 1943, 2276, 2845, 3484, 3770, 3886, 4355, 5690, 7397, 7540, 7772, 8710, 9715, 11380, 14794, 16501, 17420, 19430, 25259, 29588, 33002, 36985, 38123, 38860, 50518, 66004, 73970, 76246, 82505, 101036, 126295, 147940, 152492, 165010, 190615, 214513, 252590, 330020, 381230, 429026, 495599, 505180, 762460, 858052, 991198, 1072565, 1105567, 1982396, 2145130, 2211134, 2477995, 4290260, 4422268, 4955990, 5527835, 9911980, 11055670, 14372371, 22111340, 28744742, 57489484, 71861855, 143723710, 287447420]

約数ペア:

[(1, 287447420), (2, 143723710), (4, 71861855), (5, 57489484), (10, 28744742), (13, 22111340), (20, 14372371), (26, 11055670), (29, 9911980), (52, 5527835), (58, 4955990), (65, 4422268), (67, 4290260), (116, 2477995), (130, 2211134), (134, 2145130), (145, 1982396), (260, 1105567), (268, 1072565), (290, 991198), (335, 858052), (377, 762460), (569, 505180), (580, 495599), (670, 429026), (754, 381230), (871, 330020), (1138, 252590), (1340, 214513), (1508, 190615), (1742, 165010), (1885, 152492), (1943, 147940), (2276, 126295), (2845, 101036), (3484, 82505), (3770, 76246), (3886, 73970), (4355, 66004), (5690, 50518), (7397, 38860), (7540, 38123), (7772, 36985), (8710, 33002), (9715, 29588), (11380, 25259), (14794, 19430), (16501, 17420)]