4782321880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1697

約数の個数: 128

約数和(自身を含む): 12545280000

約数和(自身を除く): 7762958120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 149, 158, 280, 298, 316, 395, 553, 596, 632, 745, 790, 1043, 1106, 1192, 1451, 1490, 1580, 2086, 2212, 2765, 2902, 2980, 3160, 4172, 4424, 5215, 5530, 5804, 5960, 7255, 8344, 10157, 10430, 11060, 11608, 11771, 14510, 20314, 20860, 22120, 23542, 29020, 40628, 41720, 47084, 50785, 58040, 58855, 81256, 82397, 94168, 101570, 114629, 117710, 164794, 203140, 216199, 229258, 235420, 329588, 406280, 411985, 432398, 458516, 470840, 573145, 659176, 802403, 823970, 864796, 917032, 1080995, 1146290, 1513393, 1604806, 1647940, 1729592, 2161990, 2292580, 3026786, 3209612, 3295880, 4012015, 4323980, 4585160, 6053572, 6419224, 7566965, 8024030, 8647960, 12107144, 15133930, 16048060, 17079721, 30267860, 32096120, 34159442, 60535720, 68318884, 85398605, 119558047, 136637768, 170797210, 239116094, 341594420, 478232188, 597790235, 683188840, 956464376, 1195580470, 2391160940, 4782321880]

約数ペア:

[(1, 4782321880), (2, 2391160940), (4, 1195580470), (5, 956464376), (7, 683188840), (8, 597790235), (10, 478232188), (14, 341594420), (20, 239116094), (28, 170797210), (35, 136637768), (40, 119558047), (56, 85398605), (70, 68318884), (79, 60535720), (140, 34159442), (149, 32096120), (158, 30267860), (280, 17079721), (298, 16048060), (316, 15133930), (395, 12107144), (553, 8647960), (596, 8024030), (632, 7566965), (745, 6419224), (790, 6053572), (1043, 4585160), (1106, 4323980), (1192, 4012015), (1451, 3295880), (1490, 3209612), (1580, 3026786), (2086, 2292580), (2212, 2161990), (2765, 1729592), (2902, 1647940), (2980, 1604806), (3160, 1513393), (4172, 1146290), (4424, 1080995), (5215, 917032), (5530, 864796), (5804, 823970), (5960, 802403), (7255, 659176), (8344, 573145), (10157, 470840), (10430, 458516), (11060, 432398), (11608, 411985), (11771, 406280), (14510, 329588), (20314, 235420), (20860, 229258), (22120, 216199), (23542, 203140), (29020, 164794), (40628, 117710), (41720, 114629), (47084, 101570), (50785, 94168), (58040, 82397), (58855, 81256)]