213151660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5827}}^1$

素因数の和:5926

約数の個数: 48

約数和(自身を含む): 469969920

約数和(自身を除く): 256818260

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3658, 5827, 7316, 9145, 11654, 18290, 23308, 29135, 36580, 58270, 116540, 180637, 343793, 361274, 687586, 722548, 903185, 1375172, 1718965, 1806370, 3437930, 3612740, 6875860, 10657583, 21315166, 42630332, 53287915, 106575830, 213151660]

約数ペア:

[(1, 213151660), (2, 106575830), (4, 53287915), (5, 42630332), (10, 21315166), (20, 10657583), (31, 6875860), (59, 3612740), (62, 3437930), (118, 1806370), (124, 1718965), (155, 1375172), (236, 903185), (295, 722548), (310, 687586), (590, 361274), (620, 343793), (1180, 180637), (1829, 116540), (3658, 58270), (5827, 36580), (7316, 29135), (9145, 23308), (11654, 18290)]