203478520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{883}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 524459520

約数和(自身を除く): 320981000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 823, 883, 1646, 1766, 3292, 3532, 4115, 4415, 5761, 6181, 6584, 7064, 8230, 8830, 11522, 12362, 16460, 17660, 23044, 24724, 28805, 30905, 32920, 35320, 46088, 49448, 57610, 61810, 115220, 123620, 230440, 247240, 726709, 1453418, 2906836, 3633545, 5086963, 5813672, 7267090, 10173926, 14534180, 20347852, 25434815, 29068360, 40695704, 50869630, 101739260, 203478520]

約数ペア:

[(1, 203478520), (2, 101739260), (4, 50869630), (5, 40695704), (7, 29068360), (8, 25434815), (10, 20347852), (14, 14534180), (20, 10173926), (28, 7267090), (35, 5813672), (40, 5086963), (56, 3633545), (70, 2906836), (140, 1453418), (280, 726709), (823, 247240), (883, 230440), (1646, 123620), (1766, 115220), (3292, 61810), (3532, 57610), (4115, 49448), (4415, 46088), (5761, 35320), (6181, 32920), (6584, 30905), (7064, 28805), (8230, 24724), (8830, 23044), (11522, 17660), (12362, 16460)]