42499490680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^2$

素因数の和:1277

約数の個数: 96

約数和(自身を含む): 101856288240

約数和(自身を除く): 59356797560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 251, 340, 499, 502, 680, 998, 1004, 1255, 1996, 2008, 2495, 2510, 3992, 4267, 4990, 5020, 8483, 8534, 9980, 10040, 16966, 17068, 19960, 21335, 33932, 34136, 42415, 42670, 67864, 84830, 85340, 125249, 169660, 170680, 249001, 250498, 339320, 498002, 500996, 626245, 996004, 1001992, 1245005, 1252490, 1992008, 2129233, 2490010, 2504980, 4233017, 4258466, 4980020, 5009960, 8466034, 8516932, 9960040, 10646165, 16932068, 17033864, 21165085, 21292330, 33864136, 42330170, 42584660, 62499251, 84660340, 85169320, 124998502, 169320680, 249997004, 312496255, 499994008, 624992510, 1062487267, 1249985020, 2124974534, 2499970040, 4249949068, 5312436335, 8499898136, 10624872670, 21249745340, 42499490680]

約数ペア:

[(1, 42499490680), (2, 21249745340), (4, 10624872670), (5, 8499898136), (8, 5312436335), (10, 4249949068), (17, 2499970040), (20, 2124974534), (34, 1249985020), (40, 1062487267), (68, 624992510), (85, 499994008), (136, 312496255), (170, 249997004), (251, 169320680), (340, 124998502), (499, 85169320), (502, 84660340), (680, 62499251), (998, 42584660), (1004, 42330170), (1255, 33864136), (1996, 21292330), (2008, 21165085), (2495, 17033864), (2510, 16932068), (3992, 10646165), (4267, 9960040), (4990, 8516932), (5020, 8466034), (8483, 5009960), (8534, 4980020), (9980, 4258466), (10040, 4233017), (16966, 2504980), (17068, 2490010), (19960, 2129233), (21335, 1992008), (33932, 1252490), (34136, 1245005), (42415, 1001992), (42670, 996004), (67864, 626245), (84830, 500996), (85340, 498002), (125249, 339320), (169660, 250498), (170680, 249001)]