400261708

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 941903872

約数和(自身を除く): 541642164

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 37, 44, 62, 74, 77, 103, 121, 124, 148, 154, 206, 217, 242, 259, 308, 341, 407, 412, 434, 484, 518, 682, 721, 814, 847, 868, 1036, 1133, 1147, 1364, 1442, 1628, 1694, 2266, 2294, 2387, 2849, 2884, 3193, 3388, 3751, 3811, 4477, 4532, 4588, 4774, 5698, 6386, 7502, 7622, 7931, 8029, 8954, 9548, 11396, 12463, 12617, 12772, 15004, 15244, 15862, 16058, 17908, 22351, 24926, 25234, 26257, 26677, 31339, 31724, 32116, 35123, 41921, 44702, 49852, 50468, 52514, 53354, 62678, 70246, 83842, 87241, 88319, 89404, 105028, 106708, 118141, 125356, 138787, 140492, 167684, 174482, 176638, 236282, 245861, 277574, 293447, 348964, 353276, 386353, 461131, 472564, 491722, 555148, 586894, 772706, 826987, 922262, 971509, 983444, 1173788, 1299551, 1545412, 1653974, 1844524, 1943018, 2599102, 2704471, 3227917, 3307948, 3886036, 5198204, 5408942, 6455834, 9096857, 10817884, 12911668, 14295061, 18193714, 28590122, 36387428, 57180244, 100065427, 200130854, 400261708]

約数ペア:

[(1, 400261708), (2, 200130854), (4, 100065427), (7, 57180244), (11, 36387428), (14, 28590122), (22, 18193714), (28, 14295061), (31, 12911668), (37, 10817884), (44, 9096857), (62, 6455834), (74, 5408942), (77, 5198204), (103, 3886036), (121, 3307948), (124, 3227917), (148, 2704471), (154, 2599102), (206, 1943018), (217, 1844524), (242, 1653974), (259, 1545412), (308, 1299551), (341, 1173788), (407, 983444), (412, 971509), (434, 922262), (484, 826987), (518, 772706), (682, 586894), (721, 555148), (814, 491722), (847, 472564), (868, 461131), (1036, 386353), (1133, 353276), (1147, 348964), (1364, 293447), (1442, 277574), (1628, 245861), (1694, 236282), (2266, 176638), (2294, 174482), (2387, 167684), (2849, 140492), (2884, 138787), (3193, 125356), (3388, 118141), (3751, 106708), (3811, 105028), (4477, 89404), (4532, 88319), (4588, 87241), (4774, 83842), (5698, 70246), (6386, 62678), (7502, 53354), (7622, 52514), (7931, 50468), (8029, 49852), (8954, 44702), (9548, 41921), (11396, 35123), (12463, 32116), (12617, 31724), (12772, 31339), (15004, 26677), (15244, 26257), (15862, 25234), (16058, 24926), (17908, 22351)]