201457685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 299980800

約数和(自身を除く): 98523115

約数列:

[1, 5, 11, 13, 31, 55, 61, 65, 143, 149, 155, 305, 341, 403, 671, 715, 745, 793, 1639, 1705, 1891, 1937, 2015, 3355, 3965, 4433, 4619, 8195, 8723, 9089, 9455, 9685, 20801, 21307, 22165, 23095, 24583, 43615, 45445, 50809, 60047, 99979, 104005, 106535, 118157, 122915, 254045, 270413, 281759, 300235, 499895, 590785, 660517, 1299727, 1352065, 1408795, 3099349, 3302585, 3662867, 6498635, 15496745, 18314335, 40291537, 201457685]

約数ペア:

[(1, 201457685), (5, 40291537), (11, 18314335), (13, 15496745), (31, 6498635), (55, 3662867), (61, 3302585), (65, 3099349), (143, 1408795), (149, 1352065), (155, 1299727), (305, 660517), (341, 590785), (403, 499895), (671, 300235), (715, 281759), (745, 270413), (793, 254045), (1639, 122915), (1705, 118157), (1891, 106535), (1937, 104005), (2015, 99979), (3355, 60047), (3965, 50809), (4433, 45445), (4619, 43615), (8195, 24583), (8723, 23095), (9089, 22165), (9455, 21307), (9685, 20801)]