898408060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{16141}}^1$

素因数の和:16195

約数の個数: 72

約数和(自身を含む): 2164061088

約数和(自身を除く): 1265653028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5566, 11132, 13915, 16141, 27830, 32282, 55660, 64564, 80705, 161410, 177551, 322820, 355102, 371243, 710204, 742486, 887755, 1484972, 1775510, 1856215, 1953061, 3551020, 3712430, 3906122, 4083673, 7424860, 7812244, 8167346, 9765305, 16334692, 19530610, 20418365, 39061220, 40836730, 44920403, 81673460, 89840806, 179681612, 224602015, 449204030, 898408060]

約数ペア:

[(1, 898408060), (2, 449204030), (4, 224602015), (5, 179681612), (10, 89840806), (11, 81673460), (20, 44920403), (22, 40836730), (23, 39061220), (44, 20418365), (46, 19530610), (55, 16334692), (92, 9765305), (110, 8167346), (115, 7812244), (121, 7424860), (220, 4083673), (230, 3906122), (242, 3712430), (253, 3551020), (460, 1953061), (484, 1856215), (506, 1775510), (605, 1484972), (1012, 887755), (1210, 742486), (1265, 710204), (2420, 371243), (2530, 355102), (2783, 322820), (5060, 177551), (5566, 161410), (11132, 80705), (13915, 64564), (16141, 55660), (27830, 32282)]