290891720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{25339}}^1$

素因数の和:25398

約数の個数: 64

約数和(自身を含む): 766281600

約数和(自身を除く): 475389880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2870, 5740, 11480, 25339, 50678, 101356, 126695, 177373, 202712, 253390, 354746, 506780, 709492, 886865, 1013560, 1038899, 1418984, 1773730, 2077798, 3547460, 4155596, 5194495, 7094920, 7272293, 8311192, 10388990, 14544586, 20777980, 29089172, 36361465, 41555960, 58178344, 72722930, 145445860, 290891720]

約数ペア:

[(1, 290891720), (2, 145445860), (4, 72722930), (5, 58178344), (7, 41555960), (8, 36361465), (10, 29089172), (14, 20777980), (20, 14544586), (28, 10388990), (35, 8311192), (40, 7272293), (41, 7094920), (56, 5194495), (70, 4155596), (82, 3547460), (140, 2077798), (164, 1773730), (205, 1418984), (280, 1038899), (287, 1013560), (328, 886865), (410, 709492), (574, 506780), (820, 354746), (1148, 253390), (1435, 202712), (1640, 177373), (2296, 126695), (2870, 101356), (5740, 50678), (11480, 25339)]