147890575

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 231547680

約数和(自身を除く): 83657105

約数列:

[1, 5, 7, 23, 25, 29, 35, 49, 115, 145, 161, 175, 181, 203, 245, 575, 667, 725, 805, 905, 1015, 1127, 1225, 1267, 1421, 3335, 4025, 4163, 4525, 4669, 5075, 5249, 5635, 6335, 7105, 8869, 16675, 20815, 23345, 26245, 28175, 29141, 31675, 32683, 35525, 36743, 44345, 104075, 116725, 120727, 131225, 145705, 163415, 183715, 203987, 221725, 257201, 603635, 728525, 817075, 845089, 918575, 1019935, 1286005, 3018175, 4225445, 5099675, 5915623, 6430025, 21127225, 29578115, 147890575]

約数ペア:

[(1, 147890575), (5, 29578115), (7, 21127225), (23, 6430025), (25, 5915623), (29, 5099675), (35, 4225445), (49, 3018175), (115, 1286005), (145, 1019935), (161, 918575), (175, 845089), (181, 817075), (203, 728525), (245, 603635), (575, 257201), (667, 221725), (725, 203987), (805, 183715), (905, 163415), (1015, 145705), (1127, 131225), (1225, 120727), (1267, 116725), (1421, 104075), (3335, 44345), (4025, 36743), (4163, 35525), (4525, 32683), (4669, 31675), (5075, 29141), (5249, 28175), (5635, 26245), (6335, 23345), (7105, 20815), (8869, 16675)]