80501702900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{138581}}^1$

素因数の和:138789

約数の個数: 72

約数和(自身を含む): 180554053176

約数和(自身を除く): 100052350276

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 157, 185, 314, 370, 628, 740, 785, 925, 1570, 1850, 3140, 3700, 3925, 5809, 7850, 11618, 15700, 23236, 29045, 58090, 116180, 138581, 145225, 277162, 290450, 554324, 580900, 692905, 1385810, 2771620, 3464525, 5127497, 6929050, 10254994, 13858100, 20509988, 21757217, 25637485, 43514434, 51274970, 87028868, 102549940, 108786085, 128187425, 217572170, 256374850, 435144340, 512749700, 543930425, 805017029, 1087860850, 1610034058, 2175721700, 3220068116, 4025085145, 8050170290, 16100340580, 20125425725, 40250851450, 80501702900]

約数ペア:

[(1, 80501702900), (2, 40250851450), (4, 20125425725), (5, 16100340580), (10, 8050170290), (20, 4025085145), (25, 3220068116), (37, 2175721700), (50, 1610034058), (74, 1087860850), (100, 805017029), (148, 543930425), (157, 512749700), (185, 435144340), (314, 256374850), (370, 217572170), (628, 128187425), (740, 108786085), (785, 102549940), (925, 87028868), (1570, 51274970), (1850, 43514434), (3140, 25637485), (3700, 21757217), (3925, 20509988), (5809, 13858100), (7850, 10254994), (11618, 6929050), (15700, 5127497), (23236, 3464525), (29045, 2771620), (58090, 1385810), (116180, 692905), (138581, 580900), (145225, 554324), (277162, 290450)]