209103680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 112

約数和(自身を含む): 521427456

約数和(自身を除く): 312323776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 155, 160, 197, 214, 248, 310, 320, 394, 428, 496, 535, 620, 788, 856, 985, 992, 1070, 1240, 1576, 1712, 1970, 1984, 2140, 2480, 3152, 3317, 3424, 3940, 4280, 4960, 6107, 6304, 6634, 6848, 7880, 8560, 9920, 12214, 12608, 13268, 15760, 16585, 17120, 21079, 24428, 26536, 30535, 31520, 33170, 34240, 42158, 48856, 53072, 61070, 63040, 66340, 84316, 97712, 105395, 106144, 122140, 132680, 168632, 195424, 210790, 212288, 244280, 265360, 337264, 390848, 421580, 488560, 530720, 653449, 674528, 843160, 977120, 1061440, 1306898, 1349056, 1686320, 1954240, 2613796, 3267245, 3372640, 5227592, 6534490, 6745280, 10455184, 13068980, 20910368, 26137960, 41820736, 52275920, 104551840, 209103680]

約数ペア:

[(1, 209103680), (2, 104551840), (4, 52275920), (5, 41820736), (8, 26137960), (10, 20910368), (16, 13068980), (20, 10455184), (31, 6745280), (32, 6534490), (40, 5227592), (62, 3372640), (64, 3267245), (80, 2613796), (107, 1954240), (124, 1686320), (155, 1349056), (160, 1306898), (197, 1061440), (214, 977120), (248, 843160), (310, 674528), (320, 653449), (394, 530720), (428, 488560), (496, 421580), (535, 390848), (620, 337264), (788, 265360), (856, 244280), (985, 212288), (992, 210790), (1070, 195424), (1240, 168632), (1576, 132680), (1712, 122140), (1970, 106144), (1984, 105395), (2140, 97712), (2480, 84316), (3152, 66340), (3317, 63040), (3424, 61070), (3940, 53072), (4280, 48856), (4960, 42158), (6107, 34240), (6304, 33170), (6634, 31520), (6848, 30535), (7880, 26536), (8560, 24428), (9920, 21079), (12214, 17120), (12608, 16585), (13268, 15760)]