155128420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{5113}}^1$

素因数の和:5200

約数の個数: 48

約数和(自身を含む): 342801648

約数和(自身を除く): 187673228

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 5113, 6068, 7585, 10226, 15170, 20452, 25565, 30340, 51130, 102260, 189181, 209633, 378362, 419266, 756724, 838532, 945905, 1048165, 1891810, 2096330, 3783620, 4192660, 7756421, 15512842, 31025684, 38782105, 77564210, 155128420]

約数ペア:

[(1, 155128420), (2, 77564210), (4, 38782105), (5, 31025684), (10, 15512842), (20, 7756421), (37, 4192660), (41, 3783620), (74, 2096330), (82, 1891810), (148, 1048165), (164, 945905), (185, 838532), (205, 756724), (370, 419266), (410, 378362), (740, 209633), (820, 189181), (1517, 102260), (3034, 51130), (5113, 30340), (6068, 25565), (7585, 20452), (10226, 15170)]