142640225

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 227094840

約数和(自身を除く): 84454615

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 65, 91, 169, 175, 245, 265, 325, 371, 455, 637, 689, 845, 1183, 1225, 1325, 1855, 2197, 2275, 2597, 3185, 3445, 4225, 4823, 5915, 8281, 8957, 9275, 10985, 12985, 15379, 15925, 17225, 24115, 29575, 33761, 41405, 44785, 54925, 62699, 64925, 76895, 107653, 116441, 120575, 168805, 207025, 223925, 313495, 384475, 438893, 538265, 582205, 815087, 844025, 1567475, 2194465, 2691325, 2911025, 4075435, 5705609, 10972325, 20377175, 28528045, 142640225]

約数ペア:

[(1, 142640225), (5, 28528045), (7, 20377175), (13, 10972325), (25, 5705609), (35, 4075435), (49, 2911025), (53, 2691325), (65, 2194465), (91, 1567475), (169, 844025), (175, 815087), (245, 582205), (265, 538265), (325, 438893), (371, 384475), (455, 313495), (637, 223925), (689, 207025), (845, 168805), (1183, 120575), (1225, 116441), (1325, 107653), (1855, 76895), (2197, 64925), (2275, 62699), (2597, 54925), (3185, 44785), (3445, 41405), (4225, 33761), (4823, 29575), (5915, 24115), (8281, 17225), (8957, 15925), (9275, 15379), (10985, 12985)]