16938320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 47709000

約数和(自身を除く): 30770680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 149, 196, 203, 232, 245, 280, 290, 298, 392, 406, 464, 490, 560, 580, 596, 745, 784, 812, 980, 1015, 1043, 1160, 1192, 1421, 1490, 1624, 1960, 2030, 2086, 2320, 2384, 2842, 2980, 3248, 3920, 4060, 4172, 4321, 5215, 5684, 5960, 7105, 7301, 8120, 8344, 8642, 10430, 11368, 11920, 14210, 14602, 16240, 16688, 17284, 20860, 21605, 22736, 28420, 29204, 30247, 34568, 36505, 41720, 43210, 56840, 58408, 60494, 69136, 73010, 83440, 86420, 113680, 116816, 120988, 146020, 151235, 172840, 211729, 241976, 292040, 302470, 345680, 423458, 483952, 584080, 604940, 846916, 1058645, 1209880, 1693832, 2117290, 2419760, 3387664, 4234580, 8469160, 16938320]

約数ペア:

[(1, 16938320), (2, 8469160), (4, 4234580), (5, 3387664), (7, 2419760), (8, 2117290), (10, 1693832), (14, 1209880), (16, 1058645), (20, 846916), (28, 604940), (29, 584080), (35, 483952), (40, 423458), (49, 345680), (56, 302470), (58, 292040), (70, 241976), (80, 211729), (98, 172840), (112, 151235), (116, 146020), (140, 120988), (145, 116816), (149, 113680), (196, 86420), (203, 83440), (232, 73010), (245, 69136), (280, 60494), (290, 58408), (298, 56840), (392, 43210), (406, 41720), (464, 36505), (490, 34568), (560, 30247), (580, 29204), (596, 28420), (745, 22736), (784, 21605), (812, 20860), (980, 17284), (1015, 16688), (1043, 16240), (1160, 14602), (1192, 14210), (1421, 11920), (1490, 11368), (1624, 10430), (1960, 8642), (2030, 8344), (2086, 8120), (2320, 7301), (2384, 7105), (2842, 5960), (2980, 5684), (3248, 5215), (3920, 4321), (4060, 4172)]