387558280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 955514880

約数和(自身を除く): 567956600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 107, 115, 124, 127, 155, 184, 214, 230, 248, 254, 310, 428, 460, 508, 535, 620, 635, 713, 856, 920, 1016, 1070, 1240, 1270, 1426, 2140, 2461, 2540, 2852, 2921, 3317, 3565, 3937, 4280, 4922, 5080, 5704, 5842, 6634, 7130, 7874, 9844, 11684, 12305, 13268, 13589, 14260, 14605, 15748, 16585, 19685, 19688, 23368, 24610, 26536, 27178, 28520, 29210, 31496, 33170, 39370, 49220, 54356, 58420, 66340, 67945, 76291, 78740, 90551, 98440, 108712, 116840, 132680, 135890, 152582, 157480, 181102, 271780, 305164, 312547, 362204, 381455, 421259, 452755, 543560, 610328, 625094, 724408, 762910, 842518, 905510, 1250188, 1525820, 1562735, 1685036, 1811020, 2106295, 2500376, 3051640, 3125470, 3370072, 3622040, 4212590, 6250940, 8425180, 9688957, 12501880, 16850360, 19377914, 38755828, 48444785, 77511656, 96889570, 193779140, 387558280]

約数ペア:

[(1, 387558280), (2, 193779140), (4, 96889570), (5, 77511656), (8, 48444785), (10, 38755828), (20, 19377914), (23, 16850360), (31, 12501880), (40, 9688957), (46, 8425180), (62, 6250940), (92, 4212590), (107, 3622040), (115, 3370072), (124, 3125470), (127, 3051640), (155, 2500376), (184, 2106295), (214, 1811020), (230, 1685036), (248, 1562735), (254, 1525820), (310, 1250188), (428, 905510), (460, 842518), (508, 762910), (535, 724408), (620, 625094), (635, 610328), (713, 543560), (856, 452755), (920, 421259), (1016, 381455), (1070, 362204), (1240, 312547), (1270, 305164), (1426, 271780), (2140, 181102), (2461, 157480), (2540, 152582), (2852, 135890), (2921, 132680), (3317, 116840), (3565, 108712), (3937, 98440), (4280, 90551), (4922, 78740), (5080, 76291), (5704, 67945), (5842, 66340), (6634, 58420), (7130, 54356), (7874, 49220), (9844, 39370), (11684, 33170), (12305, 31496), (13268, 29210), (13589, 28520), (14260, 27178), (14605, 26536), (15748, 24610), (16585, 23368), (19685, 19688)]