201225650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:899

約数の個数: 48

約数和(自身を含む): 388903680

約数和(自身を除く): 187678030

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 197, 310, 394, 659, 775, 985, 1318, 1550, 1970, 3295, 4925, 6107, 6590, 9850, 12214, 16475, 20429, 30535, 32950, 40858, 61070, 102145, 129823, 152675, 204290, 259646, 305350, 510725, 649115, 1021450, 1298230, 3245575, 4024513, 6491150, 8049026, 20122565, 40245130, 100612825, 201225650]

約数ペア:

[(1, 201225650), (2, 100612825), (5, 40245130), (10, 20122565), (25, 8049026), (31, 6491150), (50, 4024513), (62, 3245575), (155, 1298230), (197, 1021450), (310, 649115), (394, 510725), (659, 305350), (775, 259646), (985, 204290), (1318, 152675), (1550, 129823), (1970, 102145), (3295, 61070), (4925, 40858), (6107, 32950), (6590, 30535), (9850, 20429), (12214, 16475)]