197155240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{133213}}^1$

素因数の和:133261

約数の個数: 32

約数和(自身を含む): 455591880

約数和(自身を除く): 258436640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 133213, 266426, 532852, 666065, 1065704, 1332130, 2664260, 4928881, 5328520, 9857762, 19715524, 24644405, 39431048, 49288810, 98577620, 197155240]

約数ペア:

[(1, 197155240), (2, 98577620), (4, 49288810), (5, 39431048), (8, 24644405), (10, 19715524), (20, 9857762), (37, 5328520), (40, 4928881), (74, 2664260), (148, 1332130), (185, 1065704), (296, 666065), (370, 532852), (740, 266426), (1480, 133213)]