1408123948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 3260436480

約数和(自身を除く): 1852312532

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 47, 74, 77, 94, 121, 148, 154, 188, 239, 242, 259, 308, 329, 407, 478, 484, 517, 518, 658, 814, 847, 956, 1034, 1036, 1316, 1628, 1673, 1694, 1739, 2068, 2629, 2849, 3346, 3388, 3478, 3619, 4477, 5258, 5687, 5698, 6692, 6956, 7238, 8843, 8954, 10516, 11233, 11374, 11396, 12173, 14476, 17686, 17908, 18403, 19129, 22466, 22748, 24346, 28919, 31339, 35372, 36806, 38258, 39809, 44932, 48692, 57838, 61901, 62678, 73612, 76516, 78631, 79618, 97273, 115676, 123563, 123802, 125356, 133903, 157262, 159236, 194546, 202433, 210419, 247126, 247604, 267806, 314524, 389092, 404866, 415621, 420838, 494252, 535612, 680911, 809732, 831242, 841676, 864941, 1070003, 1359193, 1361822, 1472933, 1662484, 1729882, 2140006, 2718386, 2723644, 2909347, 2945866, 3459764, 4280012, 4571831, 5436772, 5818694, 5891732, 7490021, 9143662, 9514351, 11637388, 14980042, 18287324, 19028702, 29960084, 32002817, 38057404, 50290141, 64005634, 100580282, 128011268, 201160564, 352030987, 704061974, 1408123948]

約数ペア:

[(1, 1408123948), (2, 704061974), (4, 352030987), (7, 201160564), (11, 128011268), (14, 100580282), (22, 64005634), (28, 50290141), (37, 38057404), (44, 32002817), (47, 29960084), (74, 19028702), (77, 18287324), (94, 14980042), (121, 11637388), (148, 9514351), (154, 9143662), (188, 7490021), (239, 5891732), (242, 5818694), (259, 5436772), (308, 4571831), (329, 4280012), (407, 3459764), (478, 2945866), (484, 2909347), (517, 2723644), (518, 2718386), (658, 2140006), (814, 1729882), (847, 1662484), (956, 1472933), (1034, 1361822), (1036, 1359193), (1316, 1070003), (1628, 864941), (1673, 841676), (1694, 831242), (1739, 809732), (2068, 680911), (2629, 535612), (2849, 494252), (3346, 420838), (3388, 415621), (3478, 404866), (3619, 389092), (4477, 314524), (5258, 267806), (5687, 247604), (5698, 247126), (6692, 210419), (6956, 202433), (7238, 194546), (8843, 159236), (8954, 157262), (10516, 133903), (11233, 125356), (11374, 123802), (11396, 123563), (12173, 115676), (14476, 97273), (17686, 79618), (17908, 78631), (18403, 76516), (19129, 73612), (22466, 62678), (22748, 61901), (24346, 57838), (28919, 48692), (31339, 44932), (35372, 39809), (36806, 38258)]