291212895890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1\times {\mathrm{72923}}^1$

素因数の和:73667

約数の個数: 64

約数和(自身を含む): 606751015680

約数和(自身を除く): 315538119790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 641, 890, 1246, 1282, 3115, 3205, 4487, 6230, 6410, 8974, 22435, 44870, 57049, 72923, 114098, 145846, 285245, 364615, 399343, 510461, 570490, 729230, 798686, 1020922, 1996715, 2552305, 3993430, 5104610, 6490147, 12980294, 32450735, 45431029, 46743643, 64901470, 90862058, 93487286, 227155145, 233718215, 327205501, 454310290, 467436430, 654411002, 1636027505, 3272055010, 4160184227, 8320368454, 20800921135, 29121289589, 41601842270, 58242579178, 145606447945, 291212895890]

約数ペア:

[(1, 291212895890), (2, 145606447945), (5, 58242579178), (7, 41601842270), (10, 29121289589), (14, 20800921135), (35, 8320368454), (70, 4160184227), (89, 3272055010), (178, 1636027505), (445, 654411002), (623, 467436430), (641, 454310290), (890, 327205501), (1246, 233718215), (1282, 227155145), (3115, 93487286), (3205, 90862058), (4487, 64901470), (6230, 46743643), (6410, 45431029), (8974, 32450735), (22435, 12980294), (44870, 6490147), (57049, 5104610), (72923, 3993430), (114098, 2552305), (145846, 1996715), (285245, 1020922), (364615, 798686), (399343, 729230), (510461, 570490)]