80971100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 202570368

約数和(自身を除く): 121599268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 131, 140, 175, 262, 350, 524, 655, 700, 883, 917, 1310, 1766, 1834, 2620, 3275, 3532, 3668, 4415, 4585, 6181, 6550, 8830, 9170, 12362, 13100, 17660, 18340, 22075, 22925, 24724, 30905, 44150, 45850, 61810, 88300, 91700, 115673, 123620, 154525, 231346, 309050, 462692, 578365, 618100, 809711, 1156730, 1619422, 2313460, 2891825, 3238844, 4048555, 5783650, 8097110, 11567300, 16194220, 20242775, 40485550, 80971100]

約数ペア:

[(1, 80971100), (2, 40485550), (4, 20242775), (5, 16194220), (7, 11567300), (10, 8097110), (14, 5783650), (20, 4048555), (25, 3238844), (28, 2891825), (35, 2313460), (50, 1619422), (70, 1156730), (100, 809711), (131, 618100), (140, 578365), (175, 462692), (262, 309050), (350, 231346), (524, 154525), (655, 123620), (700, 115673), (883, 91700), (917, 88300), (1310, 61810), (1766, 45850), (1834, 44150), (2620, 30905), (3275, 24724), (3532, 22925), (3668, 22075), (4415, 18340), (4585, 17660), (6181, 13100), (6550, 12362), (8830, 9170)]