381437980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 1062512640

約数和(自身を除く): 681074660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 89, 92, 110, 115, 121, 140, 154, 161, 178, 220, 230, 242, 253, 308, 322, 356, 385, 445, 460, 484, 506, 605, 623, 644, 770, 805, 847, 890, 979, 1012, 1210, 1246, 1265, 1331, 1540, 1610, 1694, 1771, 1780, 1958, 2047, 2420, 2492, 2530, 2662, 2783, 3115, 3220, 3388, 3542, 3916, 4094, 4235, 4895, 5060, 5324, 5566, 6230, 6655, 6853, 7084, 8188, 8470, 8855, 9317, 9790, 10235, 10769, 11132, 12460, 13310, 13706, 13915, 14329, 16940, 17710, 18634, 19481, 19580, 20470, 21538, 22517, 26620, 27412, 27830, 28658, 30613, 34265, 35420, 37268, 38962, 40940, 43076, 45034, 46585, 53845, 55660, 57316, 61226, 68530, 71645, 75383, 77924, 90068, 93170, 97405, 107690, 112585, 118459, 122452, 137060, 143290, 150766, 153065, 157619, 186340, 194810, 214291, 215380, 225170, 236918, 247687, 286580, 301532, 306130, 315238, 376915, 389620, 428582, 450340, 473836, 495374, 592295, 612260, 630476, 753830, 788095, 829213, 857164, 990748, 1071455, 1184590, 1238435, 1507660, 1576190, 1658426, 1733809, 2142910, 2369180, 2476870, 2724557, 3152380, 3316852, 3467618, 4146065, 4285820, 4953740, 5449114, 6935236, 8292130, 8669045, 10898228, 13622785, 16584260, 17338090, 19071899, 27245570, 34676180, 38143798, 54491140, 76287596, 95359495, 190718990, 381437980]

約数ペア:

[(1, 381437980), (2, 190718990), (4, 95359495), (5, 76287596), (7, 54491140), (10, 38143798), (11, 34676180), (14, 27245570), (20, 19071899), (22, 17338090), (23, 16584260), (28, 13622785), (35, 10898228), (44, 8669045), (46, 8292130), (55, 6935236), (70, 5449114), (77, 4953740), (89, 4285820), (92, 4146065), (110, 3467618), (115, 3316852), (121, 3152380), (140, 2724557), (154, 2476870), (161, 2369180), (178, 2142910), (220, 1733809), (230, 1658426), (242, 1576190), (253, 1507660), (308, 1238435), (322, 1184590), (356, 1071455), (385, 990748), (445, 857164), (460, 829213), (484, 788095), (506, 753830), (605, 630476), (623, 612260), (644, 592295), (770, 495374), (805, 473836), (847, 450340), (890, 428582), (979, 389620), (1012, 376915), (1210, 315238), (1246, 306130), (1265, 301532), (1331, 286580), (1540, 247687), (1610, 236918), (1694, 225170), (1771, 215380), (1780, 214291), (1958, 194810), (2047, 186340), (2420, 157619), (2492, 153065), (2530, 150766), (2662, 143290), (2783, 137060), (3115, 122452), (3220, 118459), (3388, 112585), (3542, 107690), (3916, 97405), (4094, 93170), (4235, 90068), (4895, 77924), (5060, 75383), (5324, 71645), (5566, 68530), (6230, 61226), (6655, 57316), (6853, 55660), (7084, 53845), (8188, 46585), (8470, 45034), (8855, 43076), (9317, 40940), (9790, 38962), (10235, 37268), (10769, 35420), (11132, 34265), (12460, 30613), (13310, 28658), (13706, 27830), (13915, 27412), (14329, 26620), (16940, 22517), (17710, 21538), (18634, 20470), (19481, 19580)]