30237500

素因数分解:

$2^2\times 5^5\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 68901840

約数和(自身を除く): 38664340

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 59, 82, 100, 118, 125, 164, 205, 236, 250, 295, 410, 500, 590, 625, 820, 1025, 1180, 1250, 1475, 2050, 2419, 2500, 2950, 3125, 4100, 4838, 5125, 5900, 6250, 7375, 9676, 10250, 12095, 12500, 14750, 20500, 24190, 25625, 29500, 36875, 48380, 51250, 60475, 73750, 102500, 120950, 128125, 147500, 184375, 241900, 256250, 302375, 368750, 512500, 604750, 737500, 1209500, 1511875, 3023750, 6047500, 7559375, 15118750, 30237500]

約数ペア:

[(1, 30237500), (2, 15118750), (4, 7559375), (5, 6047500), (10, 3023750), (20, 1511875), (25, 1209500), (41, 737500), (50, 604750), (59, 512500), (82, 368750), (100, 302375), (118, 256250), (125, 241900), (164, 184375), (205, 147500), (236, 128125), (250, 120950), (295, 102500), (410, 73750), (500, 60475), (590, 51250), (625, 48380), (820, 36875), (1025, 29500), (1180, 25625), (1250, 24190), (1475, 20500), (2050, 14750), (2419, 12500), (2500, 12095), (2950, 10250), (3125, 9676), (4100, 7375), (4838, 6250), (5125, 5900)]