291225025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 459286080

約数和(自身を除く): 168061055

約数列:

[1, 5, 7, 13, 25, 35, 43, 65, 91, 169, 175, 215, 229, 301, 325, 455, 559, 845, 1075, 1145, 1183, 1505, 1603, 2275, 2795, 2977, 3913, 4225, 5725, 5915, 7267, 7525, 8015, 9847, 13975, 14885, 19565, 20839, 29575, 36335, 38701, 40075, 49235, 50869, 68929, 74425, 97825, 104195, 128011, 181675, 193505, 246175, 254345, 270907, 344645, 520975, 640055, 896077, 967525, 1271725, 1354535, 1664143, 1723225, 3200275, 4480385, 6772675, 8320715, 11649001, 22401925, 41603575, 58245005, 291225025]

約数ペア:

[(1, 291225025), (5, 58245005), (7, 41603575), (13, 22401925), (25, 11649001), (35, 8320715), (43, 6772675), (65, 4480385), (91, 3200275), (169, 1723225), (175, 1664143), (215, 1354535), (229, 1271725), (301, 967525), (325, 896077), (455, 640055), (559, 520975), (845, 344645), (1075, 270907), (1145, 254345), (1183, 246175), (1505, 193505), (1603, 181675), (2275, 128011), (2795, 104195), (2977, 97825), (3913, 74425), (4225, 68929), (5725, 50869), (5915, 49235), (7267, 40075), (7525, 38701), (8015, 36335), (9847, 29575), (13975, 20839), (14885, 19565)]