198203440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6863}}^1$

素因数の和:6914

約数の個数: 60

約数和(自身を含む): 486424224

約数和(自身を除く): 288220784

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 6863, 7220, 13726, 14440, 27452, 28880, 34315, 54904, 68630, 109808, 130397, 137260, 260794, 274520, 521588, 549040, 651985, 1043176, 1303970, 2086352, 2477543, 2607940, 4955086, 5215880, 9910172, 10431760, 12387715, 19820344, 24775430, 39640688, 49550860, 99101720, 198203440]

約数ペア:

[(1, 198203440), (2, 99101720), (4, 49550860), (5, 39640688), (8, 24775430), (10, 19820344), (16, 12387715), (19, 10431760), (20, 9910172), (38, 5215880), (40, 4955086), (76, 2607940), (80, 2477543), (95, 2086352), (152, 1303970), (190, 1043176), (304, 651985), (361, 549040), (380, 521588), (722, 274520), (760, 260794), (1444, 137260), (1520, 130397), (1805, 109808), (2888, 68630), (3610, 54904), (5776, 34315), (6863, 28880), (7220, 27452), (13726, 14440)]