290337040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1181}}^1$

素因数の和:1640

約数の個数: 80

約数和(自身を含む): 773879040

約数和(自身を除く): 483542000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 1181, 1756, 2195, 2362, 3073, 3512, 4390, 4724, 5905, 6146, 7024, 8267, 8780, 9448, 11810, 12292, 15365, 16534, 17560, 18896, 23620, 24584, 30730, 33068, 35120, 41335, 47240, 49168, 61460, 66136, 82670, 94480, 122920, 132272, 165340, 245840, 330680, 518459, 661360, 1036918, 2073836, 2592295, 3629213, 4147672, 5184590, 7258426, 8295344, 10369180, 14516852, 18146065, 20738360, 29033704, 36292130, 41476720, 58067408, 72584260, 145168520, 290337040]

約数ペア:

[(1, 290337040), (2, 145168520), (4, 72584260), (5, 58067408), (7, 41476720), (8, 36292130), (10, 29033704), (14, 20738360), (16, 18146065), (20, 14516852), (28, 10369180), (35, 8295344), (40, 7258426), (56, 5184590), (70, 4147672), (80, 3629213), (112, 2592295), (140, 2073836), (280, 1036918), (439, 661360), (560, 518459), (878, 330680), (1181, 245840), (1756, 165340), (2195, 132272), (2362, 122920), (3073, 94480), (3512, 82670), (4390, 66136), (4724, 61460), (5905, 49168), (6146, 47240), (7024, 41335), (8267, 35120), (8780, 33068), (9448, 30730), (11810, 24584), (12292, 23620), (15365, 18896), (16534, 17560)]