198478920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{7417}}^1$

素因数の和:7654

約数の個数: 64

約数和(自身を含む): 598187520

約数和(自身を除く): 399708600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6690, 7417, 8920, 13380, 14834, 22251, 26760, 29668, 37085, 44502, 59336, 74170, 89004, 111255, 148340, 178008, 222510, 296680, 445020, 890040, 1653991, 3307982, 4961973, 6615964, 8269955, 9923946, 13231928, 16539910, 19847892, 24809865, 33079820, 39695784, 49619730, 66159640, 99239460, 198478920]

約数ペア:

[(1, 198478920), (2, 99239460), (3, 66159640), (4, 49619730), (5, 39695784), (6, 33079820), (8, 24809865), (10, 19847892), (12, 16539910), (15, 13231928), (20, 9923946), (24, 8269955), (30, 6615964), (40, 4961973), (60, 3307982), (120, 1653991), (223, 890040), (446, 445020), (669, 296680), (892, 222510), (1115, 178008), (1338, 148340), (1784, 111255), (2230, 89004), (2676, 74170), (3345, 59336), (4460, 44502), (5352, 37085), (6690, 29668), (7417, 26760), (8920, 22251), (13380, 14834)]