897776140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 2007742464

約数和(自身を除く): 1109966324

約数列:

[1, 2, 4, 5, 10, 20, 37, 47, 74, 83, 94, 148, 166, 185, 188, 235, 311, 332, 370, 415, 470, 622, 740, 830, 940, 1244, 1555, 1660, 1739, 3071, 3110, 3478, 3901, 6142, 6220, 6956, 7802, 8695, 11507, 12284, 14617, 15355, 15604, 17390, 19505, 23014, 25813, 29234, 30710, 34780, 39010, 46028, 51626, 57535, 58468, 61420, 73085, 78020, 103252, 115070, 129065, 144337, 146170, 230140, 258130, 288674, 292340, 516260, 540829, 577348, 721685, 955081, 1081658, 1213211, 1443370, 1910162, 2163316, 2426422, 2704145, 2886740, 3820324, 4775405, 4852844, 5408290, 6066055, 9550810, 10816580, 12132110, 19101620, 24264220, 44888807, 89777614, 179555228, 224444035, 448888070, 897776140]

約数ペア:

[(1, 897776140), (2, 448888070), (4, 224444035), (5, 179555228), (10, 89777614), (20, 44888807), (37, 24264220), (47, 19101620), (74, 12132110), (83, 10816580), (94, 9550810), (148, 6066055), (166, 5408290), (185, 4852844), (188, 4775405), (235, 3820324), (311, 2886740), (332, 2704145), (370, 2426422), (415, 2163316), (470, 1910162), (622, 1443370), (740, 1213211), (830, 1081658), (940, 955081), (1244, 721685), (1555, 577348), (1660, 540829), (1739, 516260), (3071, 292340), (3110, 288674), (3478, 258130), (3901, 230140), (6142, 146170), (6220, 144337), (6956, 129065), (7802, 115070), (8695, 103252), (11507, 78020), (12284, 73085), (14617, 61420), (15355, 58468), (15604, 57535), (17390, 51626), (19505, 46028), (23014, 39010), (25813, 34780), (29234, 30710)]