211739920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12197}}^1$

素因数の和:12248

約数の個数: 80

約数和(自身を含む): 580819968

約数和(自身を除く): 369080048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12197, 17360, 24394, 48788, 60985, 85379, 97576, 121970, 170758, 195152, 243940, 341516, 378107, 426895, 487880, 683032, 756214, 853790, 975760, 1366064, 1512428, 1707580, 1890535, 2646749, 3024856, 3415160, 3781070, 5293498, 6049712, 6830320, 7562140, 10586996, 13233745, 15124280, 21173992, 26467490, 30248560, 42347984, 52934980, 105869960, 211739920]

約数ペア:

[(1, 211739920), (2, 105869960), (4, 52934980), (5, 42347984), (7, 30248560), (8, 26467490), (10, 21173992), (14, 15124280), (16, 13233745), (20, 10586996), (28, 7562140), (31, 6830320), (35, 6049712), (40, 5293498), (56, 3781070), (62, 3415160), (70, 3024856), (80, 2646749), (112, 1890535), (124, 1707580), (140, 1512428), (155, 1366064), (217, 975760), (248, 853790), (280, 756214), (310, 683032), (434, 487880), (496, 426895), (560, 378107), (620, 341516), (868, 243940), (1085, 195152), (1240, 170758), (1736, 121970), (2170, 97576), (2480, 85379), (3472, 60985), (4340, 48788), (8680, 24394), (12197, 17360)]