123210740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 283143168

約数和(自身を除く): 159932428

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 41, 62, 74, 82, 124, 131, 148, 155, 164, 185, 205, 262, 310, 370, 410, 524, 620, 655, 740, 820, 1147, 1271, 1310, 1517, 2294, 2542, 2620, 3034, 4061, 4588, 4847, 5084, 5371, 5735, 6068, 6355, 7585, 8122, 9694, 10742, 11470, 12710, 15170, 16244, 19388, 20305, 21484, 22940, 24235, 25420, 26855, 30340, 40610, 47027, 48470, 53710, 81220, 94054, 96940, 107420, 150257, 166501, 188108, 198727, 235135, 300514, 333002, 397454, 470270, 601028, 666004, 751285, 794908, 832505, 940540, 993635, 1502570, 1665010, 1987270, 3005140, 3330020, 3974540, 6160537, 12321074, 24642148, 30802685, 61605370, 123210740]

約数ペア:

[(1, 123210740), (2, 61605370), (4, 30802685), (5, 24642148), (10, 12321074), (20, 6160537), (31, 3974540), (37, 3330020), (41, 3005140), (62, 1987270), (74, 1665010), (82, 1502570), (124, 993635), (131, 940540), (148, 832505), (155, 794908), (164, 751285), (185, 666004), (205, 601028), (262, 470270), (310, 397454), (370, 333002), (410, 300514), (524, 235135), (620, 198727), (655, 188108), (740, 166501), (820, 150257), (1147, 107420), (1271, 96940), (1310, 94054), (1517, 81220), (2294, 53710), (2542, 48470), (2620, 47027), (3034, 40610), (4061, 30340), (4588, 26855), (4847, 25420), (5084, 24235), (5371, 22940), (5735, 21484), (6068, 20305), (6355, 19388), (7585, 16244), (8122, 15170), (9694, 12710), (10742, 11470)]