258946660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{7369}}^1$

素因数の和:7636

約数の個数: 48

約数和(自身を含む): 624032640

約数和(自身を除く): 365085980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 7369, 8785, 14738, 17570, 29476, 35140, 36845, 51583, 73690, 103166, 147380, 206332, 257915, 515830, 1031660, 1849619, 3699238, 7398476, 9248095, 12947333, 18496190, 25894666, 36992380, 51789332, 64736665, 129473330, 258946660]

約数ペア:

[(1, 258946660), (2, 129473330), (4, 64736665), (5, 51789332), (7, 36992380), (10, 25894666), (14, 18496190), (20, 12947333), (28, 9248095), (35, 7398476), (70, 3699238), (140, 1849619), (251, 1031660), (502, 515830), (1004, 257915), (1255, 206332), (1757, 147380), (2510, 103166), (3514, 73690), (5020, 51583), (7028, 36845), (7369, 35140), (8785, 29476), (14738, 17570)]