2015156900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{449}}^1\times {\mathrm{1213}}^1$

素因数の和:1713

約数の個数: 72

約数和(自身を含む): 4504789800

約数和(自身を除く): 2489632900

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 449, 740, 898, 925, 1213, 1796, 1850, 2245, 2426, 3700, 4490, 4852, 6065, 8980, 11225, 12130, 16613, 22450, 24260, 30325, 33226, 44881, 44900, 60650, 66452, 83065, 89762, 121300, 166130, 179524, 224405, 332260, 415325, 448810, 544637, 830650, 897620, 1089274, 1122025, 1661300, 2178548, 2244050, 2723185, 4488100, 5446370, 10892740, 13615925, 20151569, 27231850, 40303138, 54463700, 80606276, 100757845, 201515690, 403031380, 503789225, 1007578450, 2015156900]

約数ペア:

[(1, 2015156900), (2, 1007578450), (4, 503789225), (5, 403031380), (10, 201515690), (20, 100757845), (25, 80606276), (37, 54463700), (50, 40303138), (74, 27231850), (100, 20151569), (148, 13615925), (185, 10892740), (370, 5446370), (449, 4488100), (740, 2723185), (898, 2244050), (925, 2178548), (1213, 1661300), (1796, 1122025), (1850, 1089274), (2245, 897620), (2426, 830650), (3700, 544637), (4490, 448810), (4852, 415325), (6065, 332260), (8980, 224405), (11225, 179524), (12130, 166130), (16613, 121300), (22450, 89762), (24260, 83065), (30325, 66452), (33226, 60650), (44881, 44900)]