381920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 1161216

約数和(自身を除く): 779296

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1540, 1705, 1736, 1760, 2170, 2387, 2464, 2480, 2728, 3080, 3410, 3472, 4340, 4774, 4960, 5456, 6160, 6820, 6944, 8680, 9548, 10912, 11935, 12320, 13640, 17360, 19096, 23870, 27280, 34720, 38192, 47740, 54560, 76384, 95480, 190960, 381920]

約数ペア:

[(1, 381920), (2, 190960), (4, 95480), (5, 76384), (7, 54560), (8, 47740), (10, 38192), (11, 34720), (14, 27280), (16, 23870), (20, 19096), (22, 17360), (28, 13640), (31, 12320), (32, 11935), (35, 10912), (40, 9548), (44, 8680), (55, 6944), (56, 6820), (62, 6160), (70, 5456), (77, 4960), (80, 4774), (88, 4340), (110, 3472), (112, 3410), (124, 3080), (140, 2728), (154, 2480), (155, 2464), (160, 2387), (176, 2170), (217, 1760), (220, 1736), (224, 1705), (248, 1540), (280, 1364), (308, 1240), (310, 1232), (341, 1120), (352, 1085), (385, 992), (434, 880), (440, 868), (496, 770), (560, 682), (616, 620)]