404018720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1777}}^1$

素因数の和:1835

約数の個数: 144

約数和(自身を含む): 1149263640

約数和(自身を除く): 745244920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 928, 980, 1015, 1120, 1160, 1421, 1568, 1624, 1777, 1960, 2030, 2320, 2842, 3248, 3554, 3920, 4060, 4640, 5684, 6496, 7105, 7108, 7840, 8120, 8885, 11368, 12439, 14210, 14216, 16240, 17770, 22736, 24878, 28420, 28432, 32480, 35540, 45472, 49756, 51533, 56840, 56864, 62195, 71080, 87073, 99512, 103066, 113680, 124390, 142160, 174146, 199024, 206132, 227360, 248780, 257665, 284320, 348292, 360731, 398048, 412264, 435365, 497560, 515330, 696584, 721462, 824528, 870730, 995120, 1030660, 1393168, 1442924, 1649056, 1741460, 1803655, 1990240, 2061320, 2525117, 2786336, 2885848, 3482920, 3607310, 4122640, 5050234, 5771696, 6965840, 7214620, 8245280, 10100468, 11543392, 12625585, 13931680, 14429240, 20200936, 25251170, 28858480, 40401872, 50502340, 57716960, 80803744, 101004680, 202009360, 404018720]

約数ペア:

[(1, 404018720), (2, 202009360), (4, 101004680), (5, 80803744), (7, 57716960), (8, 50502340), (10, 40401872), (14, 28858480), (16, 25251170), (20, 20200936), (28, 14429240), (29, 13931680), (32, 12625585), (35, 11543392), (40, 10100468), (49, 8245280), (56, 7214620), (58, 6965840), (70, 5771696), (80, 5050234), (98, 4122640), (112, 3607310), (116, 3482920), (140, 2885848), (145, 2786336), (160, 2525117), (196, 2061320), (203, 1990240), (224, 1803655), (232, 1741460), (245, 1649056), (280, 1442924), (290, 1393168), (392, 1030660), (406, 995120), (464, 870730), (490, 824528), (560, 721462), (580, 696584), (784, 515330), (812, 497560), (928, 435365), (980, 412264), (1015, 398048), (1120, 360731), (1160, 348292), (1421, 284320), (1568, 257665), (1624, 248780), (1777, 227360), (1960, 206132), (2030, 199024), (2320, 174146), (2842, 142160), (3248, 124390), (3554, 113680), (3920, 103066), (4060, 99512), (4640, 87073), (5684, 71080), (6496, 62195), (7105, 56864), (7108, 56840), (7840, 51533), (8120, 49756), (8885, 45472), (11368, 35540), (12439, 32480), (14210, 28432), (14216, 28420), (16240, 24878), (17770, 22736)]