213700360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 530841600

約数和(自身を除く): 317141240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 59, 62, 92, 115, 118, 124, 127, 155, 184, 230, 236, 248, 254, 295, 310, 460, 472, 508, 590, 620, 635, 713, 920, 1016, 1180, 1240, 1270, 1357, 1426, 1829, 2360, 2540, 2714, 2852, 2921, 3565, 3658, 3937, 5080, 5428, 5704, 5842, 6785, 7130, 7316, 7493, 7874, 9145, 10856, 11684, 13570, 14260, 14605, 14632, 14986, 15748, 18290, 19685, 23368, 27140, 28520, 29210, 29972, 31496, 36580, 37465, 39370, 42067, 54280, 58420, 59944, 73160, 74930, 78740, 84134, 90551, 116840, 149860, 157480, 168268, 172339, 181102, 210335, 232283, 299720, 336536, 344678, 362204, 420670, 452755, 464566, 689356, 724408, 841340, 861695, 905510, 929132, 1161415, 1378712, 1682680, 1723390, 1811020, 1858264, 2322830, 3446780, 3622040, 4645660, 5342509, 6893560, 9291320, 10685018, 21370036, 26712545, 42740072, 53425090, 106850180, 213700360]

約数ペア:

[(1, 213700360), (2, 106850180), (4, 53425090), (5, 42740072), (8, 26712545), (10, 21370036), (20, 10685018), (23, 9291320), (31, 6893560), (40, 5342509), (46, 4645660), (59, 3622040), (62, 3446780), (92, 2322830), (115, 1858264), (118, 1811020), (124, 1723390), (127, 1682680), (155, 1378712), (184, 1161415), (230, 929132), (236, 905510), (248, 861695), (254, 841340), (295, 724408), (310, 689356), (460, 464566), (472, 452755), (508, 420670), (590, 362204), (620, 344678), (635, 336536), (713, 299720), (920, 232283), (1016, 210335), (1180, 181102), (1240, 172339), (1270, 168268), (1357, 157480), (1426, 149860), (1829, 116840), (2360, 90551), (2540, 84134), (2714, 78740), (2852, 74930), (2921, 73160), (3565, 59944), (3658, 58420), (3937, 54280), (5080, 42067), (5428, 39370), (5704, 37465), (5842, 36580), (6785, 31496), (7130, 29972), (7316, 29210), (7493, 28520), (7874, 27140), (9145, 23368), (10856, 19685), (11684, 18290), (13570, 15748), (14260, 14986), (14605, 14632)]