487702978580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1\times {\mathrm{217199}}^1$

素因数の和:217557

約数の個数: 72

約数和(自身を含む): 1084397932800

約数和(自身を除く): 596694954220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 361, 380, 622, 722, 1244, 1444, 1555, 1805, 3110, 3610, 5909, 6220, 7220, 11818, 23636, 29545, 59090, 112271, 118180, 217199, 224542, 434398, 449084, 561355, 868796, 1085995, 1122710, 2171990, 2245420, 4126781, 4343980, 8253562, 16507124, 20633905, 41267810, 67548889, 78408839, 82535620, 135097778, 156817678, 270195556, 313635356, 337744445, 392044195, 675488890, 784088390, 1283428891, 1350977780, 1568176780, 2566857782, 5133715564, 6417144455, 12834288910, 24385148929, 25668577820, 48770297858, 97540595716, 121925744645, 243851489290, 487702978580]

約数ペア:

[(1, 487702978580), (2, 243851489290), (4, 121925744645), (5, 97540595716), (10, 48770297858), (19, 25668577820), (20, 24385148929), (38, 12834288910), (76, 6417144455), (95, 5133715564), (190, 2566857782), (311, 1568176780), (361, 1350977780), (380, 1283428891), (622, 784088390), (722, 675488890), (1244, 392044195), (1444, 337744445), (1555, 313635356), (1805, 270195556), (3110, 156817678), (3610, 135097778), (5909, 82535620), (6220, 78408839), (7220, 67548889), (11818, 41267810), (23636, 20633905), (29545, 16507124), (59090, 8253562), (112271, 4343980), (118180, 4126781), (217199, 2245420), (224542, 2171990), (434398, 1122710), (449084, 1085995), (561355, 868796)]