28120762100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1433}}^1\times {\mathrm{3217}}^1$

素因数の和:4725

約数の個数: 72

約数和(自身を含む): 62084989848

約数和(自身を除く): 33964227748

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1433, 1525, 2866, 3050, 3217, 5732, 6100, 6434, 7165, 12868, 14330, 16085, 28660, 32170, 35825, 64340, 71650, 80425, 87413, 143300, 160850, 174826, 196237, 321700, 349652, 392474, 437065, 784948, 874130, 981185, 1748260, 1962370, 2185325, 3924740, 4370650, 4609961, 4905925, 8741300, 9219922, 9811850, 18439844, 19623700, 23049805, 46099610, 92199220, 115249025, 230498050, 281207621, 460996100, 562415242, 1124830484, 1406038105, 2812076210, 5624152420, 7030190525, 14060381050, 28120762100]

約数ペア:

[(1, 28120762100), (2, 14060381050), (4, 7030190525), (5, 5624152420), (10, 2812076210), (20, 1406038105), (25, 1124830484), (50, 562415242), (61, 460996100), (100, 281207621), (122, 230498050), (244, 115249025), (305, 92199220), (610, 46099610), (1220, 23049805), (1433, 19623700), (1525, 18439844), (2866, 9811850), (3050, 9219922), (3217, 8741300), (5732, 4905925), (6100, 4609961), (6434, 4370650), (7165, 3924740), (12868, 2185325), (14330, 1962370), (16085, 1748260), (28660, 981185), (32170, 874130), (35825, 784948), (64340, 437065), (71650, 392474), (80425, 349652), (87413, 321700), (143300, 196237), (160850, 174826)]