5450420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 12096000

約数和(自身を除く): 6645580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 149, 155, 236, 295, 298, 310, 590, 596, 620, 745, 1180, 1490, 1829, 2980, 3658, 4619, 7316, 8791, 9145, 9238, 17582, 18290, 18476, 23095, 35164, 36580, 43955, 46190, 87910, 92380, 175820, 272521, 545042, 1090084, 1362605, 2725210, 5450420]

約数ペア:

[(1, 5450420), (2, 2725210), (4, 1362605), (5, 1090084), (10, 545042), (20, 272521), (31, 175820), (59, 92380), (62, 87910), (118, 46190), (124, 43955), (149, 36580), (155, 35164), (236, 23095), (295, 18476), (298, 18290), (310, 17582), (590, 9238), (596, 9145), (620, 8791), (745, 7316), (1180, 4619), (1490, 3658), (1829, 2980)]