8909790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 22394880

約数和(自身を除く): 13485090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 71, 89, 94, 141, 142, 178, 213, 235, 267, 282, 355, 426, 445, 470, 534, 705, 710, 890, 1065, 1335, 1410, 2130, 2670, 3337, 4183, 6319, 6674, 8366, 10011, 12549, 12638, 16685, 18957, 20022, 20915, 25098, 31595, 33370, 37914, 41830, 50055, 62745, 63190, 94785, 100110, 125490, 189570, 296993, 593986, 890979, 1484965, 1781958, 2969930, 4454895, 8909790]

約数ペア:

[(1, 8909790), (2, 4454895), (3, 2969930), (5, 1781958), (6, 1484965), (10, 890979), (15, 593986), (30, 296993), (47, 189570), (71, 125490), (89, 100110), (94, 94785), (141, 63190), (142, 62745), (178, 50055), (213, 41830), (235, 37914), (267, 33370), (282, 31595), (355, 25098), (426, 20915), (445, 20022), (470, 18957), (534, 16685), (705, 12638), (710, 12549), (890, 10011), (1065, 8366), (1335, 6674), (1410, 6319), (2130, 4183), (2670, 3337)]