248009920

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1158

約数の個数: 112

約数和(自身を含む): 636715008

約数和(自身を除く): 388705088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 713, 736, 920, 992, 1087, 1240, 1426, 1472, 1840, 1984, 2174, 2480, 2852, 3565, 3680, 4348, 4960, 5435, 5704, 7130, 7360, 8696, 9920, 10870, 11408, 14260, 17392, 21740, 22816, 25001, 28520, 33697, 34784, 43480, 45632, 50002, 57040, 67394, 69568, 86960, 100004, 114080, 125005, 134788, 168485, 173920, 200008, 228160, 250010, 269576, 336970, 347840, 400016, 500020, 539152, 673940, 775031, 800032, 1000040, 1078304, 1347880, 1550062, 1600064, 2000080, 2156608, 2695760, 3100124, 3875155, 4000160, 5391520, 6200248, 7750310, 8000320, 10783040, 12400496, 15500620, 24800992, 31001240, 49601984, 62002480, 124004960, 248009920]

約数ペア:

[(1, 248009920), (2, 124004960), (4, 62002480), (5, 49601984), (8, 31001240), (10, 24800992), (16, 15500620), (20, 12400496), (23, 10783040), (31, 8000320), (32, 7750310), (40, 6200248), (46, 5391520), (62, 4000160), (64, 3875155), (80, 3100124), (92, 2695760), (115, 2156608), (124, 2000080), (155, 1600064), (160, 1550062), (184, 1347880), (230, 1078304), (248, 1000040), (310, 800032), (320, 775031), (368, 673940), (460, 539152), (496, 500020), (620, 400016), (713, 347840), (736, 336970), (920, 269576), (992, 250010), (1087, 228160), (1240, 200008), (1426, 173920), (1472, 168485), (1840, 134788), (1984, 125005), (2174, 114080), (2480, 100004), (2852, 86960), (3565, 69568), (3680, 67394), (4348, 57040), (4960, 50002), (5435, 45632), (5704, 43480), (7130, 34784), (7360, 33697), (8696, 28520), (9920, 25001), (10870, 22816), (11408, 21740), (14260, 17392)]