1801100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 4666368

約数和(自身を除く): 2865268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 83, 100, 124, 140, 155, 166, 175, 217, 310, 332, 350, 415, 434, 581, 620, 700, 775, 830, 868, 1085, 1162, 1550, 1660, 2075, 2170, 2324, 2573, 2905, 3100, 4150, 4340, 5146, 5425, 5810, 8300, 10292, 10850, 11620, 12865, 14525, 18011, 21700, 25730, 29050, 36022, 51460, 58100, 64325, 72044, 90055, 128650, 180110, 257300, 360220, 450275, 900550, 1801100]

約数ペア:

[(1, 1801100), (2, 900550), (4, 450275), (5, 360220), (7, 257300), (10, 180110), (14, 128650), (20, 90055), (25, 72044), (28, 64325), (31, 58100), (35, 51460), (50, 36022), (62, 29050), (70, 25730), (83, 21700), (100, 18011), (124, 14525), (140, 12865), (155, 11620), (166, 10850), (175, 10292), (217, 8300), (310, 5810), (332, 5425), (350, 5146), (415, 4340), (434, 4150), (581, 3100), (620, 2905), (700, 2573), (775, 2324), (830, 2170), (868, 2075), (1085, 1660), (1162, 1550)]