201751100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 455970816

約数和(自身を除く): 254219716

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 151, 155, 302, 310, 431, 604, 620, 755, 775, 862, 1510, 1550, 1724, 2155, 3020, 3100, 3775, 4310, 4681, 7550, 8620, 9362, 10775, 13361, 15100, 18724, 21550, 23405, 26722, 43100, 46810, 53444, 65081, 66805, 93620, 117025, 130162, 133610, 234050, 260324, 267220, 325405, 334025, 468100, 650810, 668050, 1301620, 1336100, 1627025, 2017511, 3254050, 4035022, 6508100, 8070044, 10087555, 20175110, 40350220, 50437775, 100875550, 201751100]

約数ペア:

[(1, 201751100), (2, 100875550), (4, 50437775), (5, 40350220), (10, 20175110), (20, 10087555), (25, 8070044), (31, 6508100), (50, 4035022), (62, 3254050), (100, 2017511), (124, 1627025), (151, 1336100), (155, 1301620), (302, 668050), (310, 650810), (431, 468100), (604, 334025), (620, 325405), (755, 267220), (775, 260324), (862, 234050), (1510, 133610), (1550, 130162), (1724, 117025), (2155, 93620), (3020, 66805), (3100, 65081), (3775, 53444), (4310, 46810), (4681, 43100), (7550, 26722), (8620, 23405), (9362, 21550), (10775, 18724), (13361, 15100)]