291270204980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3547}}^1\times {\mathrm{51973}}^1$

素因数の和:55608

約数の個数: 48

約数和(自身を含む): 619596606720

約数和(自身を除く): 328326401740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 3547, 7094, 14188, 17735, 35470, 51973, 70940, 103946, 207892, 259865, 280213, 519730, 560426, 1039460, 1120852, 1401065, 2802130, 4105867, 5604260, 8211734, 16423468, 20529335, 41058670, 82117340, 184348231, 368696462, 737392924, 921741155, 1843482310, 3686964620, 14563510249, 29127020498, 58254040996, 72817551245, 145635102490, 291270204980]

約数ペア:

[(1, 291270204980), (2, 145635102490), (4, 72817551245), (5, 58254040996), (10, 29127020498), (20, 14563510249), (79, 3686964620), (158, 1843482310), (316, 921741155), (395, 737392924), (790, 368696462), (1580, 184348231), (3547, 82117340), (7094, 41058670), (14188, 20529335), (17735, 16423468), (35470, 8211734), (51973, 5604260), (70940, 4105867), (103946, 2802130), (207892, 1401065), (259865, 1120852), (280213, 1039460), (519730, 560426)]