171949540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{7823}}^1$

素因数の和:7996

約数の個数: 48

約数和(自身を含む): 415360512

約数和(自身を除く): 243410972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 4396, 5495, 7823, 10990, 15646, 21980, 31292, 39115, 54761, 78230, 109522, 156460, 219044, 273805, 547610, 1095220, 1228211, 2456422, 4912844, 6141055, 8597477, 12282110, 17194954, 24564220, 34389908, 42987385, 85974770, 171949540]

約数ペア:

[(1, 171949540), (2, 85974770), (4, 42987385), (5, 34389908), (7, 24564220), (10, 17194954), (14, 12282110), (20, 8597477), (28, 6141055), (35, 4912844), (70, 2456422), (140, 1228211), (157, 1095220), (314, 547610), (628, 273805), (785, 219044), (1099, 156460), (1570, 109522), (2198, 78230), (3140, 54761), (4396, 39115), (5495, 31292), (7823, 21980), (10990, 15646)]