201644240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{907}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 537739392

約数和(自身を除く): 336095152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 397, 560, 794, 907, 1588, 1814, 1985, 2779, 3176, 3628, 3970, 4535, 5558, 6349, 6352, 7256, 7940, 9070, 11116, 12698, 13895, 14512, 15880, 18140, 22232, 25396, 27790, 31745, 31760, 36280, 44464, 50792, 55580, 63490, 72560, 101584, 111160, 126980, 222320, 253960, 360079, 507920, 720158, 1440316, 1800395, 2520553, 2880632, 3600790, 5041106, 5761264, 7201580, 10082212, 12602765, 14403160, 20164424, 25205530, 28806320, 40328848, 50411060, 100822120, 201644240]

約数ペア:

[(1, 201644240), (2, 100822120), (4, 50411060), (5, 40328848), (7, 28806320), (8, 25205530), (10, 20164424), (14, 14403160), (16, 12602765), (20, 10082212), (28, 7201580), (35, 5761264), (40, 5041106), (56, 3600790), (70, 2880632), (80, 2520553), (112, 1800395), (140, 1440316), (280, 720158), (397, 507920), (560, 360079), (794, 253960), (907, 222320), (1588, 126980), (1814, 111160), (1985, 101584), (2779, 72560), (3176, 63490), (3628, 55580), (3970, 50792), (4535, 44464), (5558, 36280), (6349, 31760), (6352, 31745), (7256, 27790), (7940, 25396), (9070, 22232), (11116, 18140), (12698, 15880), (13895, 14512)]