84341740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{967}}^1$

素因数の和:1079

約数の個数: 72

約数和(自身を含む): 208565280

約数和(自身を除く): 124223540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 967, 980, 1246, 1780, 1934, 2492, 3115, 3868, 4361, 4835, 6230, 6769, 8722, 9670, 12460, 13538, 17444, 19340, 21805, 27076, 33845, 43610, 47383, 67690, 86063, 87220, 94766, 135380, 172126, 189532, 236915, 344252, 430315, 473830, 602441, 860630, 947660, 1204882, 1721260, 2409764, 3012205, 4217087, 6024410, 8434174, 12048820, 16868348, 21085435, 42170870, 84341740]

約数ペア:

[(1, 84341740), (2, 42170870), (4, 21085435), (5, 16868348), (7, 12048820), (10, 8434174), (14, 6024410), (20, 4217087), (28, 3012205), (35, 2409764), (49, 1721260), (70, 1204882), (89, 947660), (98, 860630), (140, 602441), (178, 473830), (196, 430315), (245, 344252), (356, 236915), (445, 189532), (490, 172126), (623, 135380), (890, 94766), (967, 87220), (980, 86063), (1246, 67690), (1780, 47383), (1934, 43610), (2492, 33845), (3115, 27076), (3868, 21805), (4361, 19340), (4835, 17444), (6230, 13538), (6769, 12460), (8722, 9670)]