198270575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 273196800

約数和(自身を除く): 74926225

約数列:

[1, 5, 17, 25, 31, 85, 101, 149, 155, 425, 505, 527, 745, 775, 1717, 2525, 2533, 2635, 3131, 3725, 4619, 8585, 12665, 13175, 15049, 15655, 23095, 42925, 53227, 63325, 75245, 78275, 78523, 115475, 255833, 266135, 376225, 392615, 466519, 1279165, 1330675, 1963075, 2332595, 6395825, 7930823, 11662975, 39654115, 198270575]

約数ペア:

[(1, 198270575), (5, 39654115), (17, 11662975), (25, 7930823), (31, 6395825), (85, 2332595), (101, 1963075), (149, 1330675), (155, 1279165), (425, 466519), (505, 392615), (527, 376225), (745, 266135), (775, 255833), (1717, 115475), (2525, 78523), (2533, 78275), (2635, 75245), (3131, 63325), (3725, 53227), (4619, 42925), (8585, 23095), (12665, 15655), (13175, 15049)]