261174100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5791}}^1$

素因数の和:5857

約数の個数: 72

約数和(自身を含む): 633459456

約数和(自身を除く): 372285356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 4100, 4510, 5791, 9020, 11275, 11582, 22550, 23164, 28955, 45100, 57910, 63701, 115820, 127402, 144775, 237431, 254804, 289550, 318505, 474862, 579100, 637010, 949724, 1187155, 1274020, 1592525, 2374310, 2611741, 3185050, 4748620, 5223482, 5935775, 6370100, 10446964, 11871550, 13058705, 23743100, 26117410, 52234820, 65293525, 130587050, 261174100]

約数ペア:

[(1, 261174100), (2, 130587050), (4, 65293525), (5, 52234820), (10, 26117410), (11, 23743100), (20, 13058705), (22, 11871550), (25, 10446964), (41, 6370100), (44, 5935775), (50, 5223482), (55, 4748620), (82, 3185050), (100, 2611741), (110, 2374310), (164, 1592525), (205, 1274020), (220, 1187155), (275, 949724), (410, 637010), (451, 579100), (550, 474862), (820, 318505), (902, 289550), (1025, 254804), (1100, 237431), (1804, 144775), (2050, 127402), (2255, 115820), (4100, 63701), (4510, 57910), (5791, 45100), (9020, 28955), (11275, 23164), (11582, 22550)]