220938100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{283}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 496475168

約数和(自身を除く): 275537068

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 211, 283, 370, 422, 566, 740, 844, 925, 1055, 1132, 1415, 1850, 2110, 2830, 3700, 4220, 5275, 5660, 7075, 7807, 10471, 10550, 14150, 15614, 20942, 21100, 28300, 31228, 39035, 41884, 52355, 59713, 78070, 104710, 119426, 156140, 195175, 209420, 238852, 261775, 298565, 390350, 523550, 597130, 780700, 1047100, 1194260, 1492825, 2209381, 2985650, 4418762, 5971300, 8837524, 11046905, 22093810, 44187620, 55234525, 110469050, 220938100]

約数ペア:

[(1, 220938100), (2, 110469050), (4, 55234525), (5, 44187620), (10, 22093810), (20, 11046905), (25, 8837524), (37, 5971300), (50, 4418762), (74, 2985650), (100, 2209381), (148, 1492825), (185, 1194260), (211, 1047100), (283, 780700), (370, 597130), (422, 523550), (566, 390350), (740, 298565), (844, 261775), (925, 238852), (1055, 209420), (1132, 195175), (1415, 156140), (1850, 119426), (2110, 104710), (2830, 78070), (3700, 59713), (4220, 52355), (5275, 41884), (5660, 39035), (7075, 31228), (7807, 28300), (10471, 21100), (10550, 20942), (14150, 15614)]