77284040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 186332400

約数和(自身を除く): 109048360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1277, 1513, 1780, 2554, 3026, 3560, 5108, 6052, 6385, 7565, 10216, 12104, 12770, 15130, 21709, 25540, 30260, 43418, 51080, 60520, 86836, 108545, 113653, 173672, 217090, 227306, 434180, 454612, 568265, 868360, 909224, 1136530, 1932101, 2273060, 3864202, 4546120, 7728404, 9660505, 15456808, 19321010, 38642020, 77284040]

約数ペア:

[(1, 77284040), (2, 38642020), (4, 19321010), (5, 15456808), (8, 9660505), (10, 7728404), (17, 4546120), (20, 3864202), (34, 2273060), (40, 1932101), (68, 1136530), (85, 909224), (89, 868360), (136, 568265), (170, 454612), (178, 434180), (340, 227306), (356, 217090), (445, 173672), (680, 113653), (712, 108545), (890, 86836), (1277, 60520), (1513, 51080), (1780, 43418), (2554, 30260), (3026, 25540), (3560, 21709), (5108, 15130), (6052, 12770), (6385, 12104), (7565, 10216)]