177788260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9724

約数の個数: 48

約数和(自身を含む): 407780352

約数和(自身を除く): 229992092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 9631, 18460, 19262, 38524, 48155, 96310, 125203, 192620, 250406, 500812, 626015, 683801, 1252030, 1367602, 2504060, 2735204, 3419005, 6838010, 8889413, 13676020, 17778826, 35557652, 44447065, 88894130, 177788260]

約数ペア:

[(1, 177788260), (2, 88894130), (4, 44447065), (5, 35557652), (10, 17778826), (13, 13676020), (20, 8889413), (26, 6838010), (52, 3419005), (65, 2735204), (71, 2504060), (130, 1367602), (142, 1252030), (260, 683801), (284, 626015), (355, 500812), (710, 250406), (923, 192620), (1420, 125203), (1846, 96310), (3692, 48155), (4615, 38524), (9230, 19262), (9631, 18460)]