27805540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1669}}^1$

素因数の和:1709

約数の個数: 72

約数和(自身を含む): 71963640

約数和(自身を除く): 44158100

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 1669, 2380, 3332, 3338, 4165, 6676, 8330, 8345, 11683, 16660, 16690, 23366, 28373, 33380, 46732, 56746, 58415, 81781, 113492, 116830, 141865, 163562, 198611, 233660, 283730, 327124, 397222, 408905, 567460, 794444, 817810, 993055, 1390277, 1635620, 1986110, 2780554, 3972220, 5561108, 6951385, 13902770, 27805540]

約数ペア:

[(1, 27805540), (2, 13902770), (4, 6951385), (5, 5561108), (7, 3972220), (10, 2780554), (14, 1986110), (17, 1635620), (20, 1390277), (28, 993055), (34, 817810), (35, 794444), (49, 567460), (68, 408905), (70, 397222), (85, 327124), (98, 283730), (119, 233660), (140, 198611), (170, 163562), (196, 141865), (238, 116830), (245, 113492), (340, 81781), (476, 58415), (490, 56746), (595, 46732), (833, 33380), (980, 28373), (1190, 23366), (1666, 16690), (1669, 16660), (2380, 11683), (3332, 8345), (3338, 8330), (4165, 6676)]