29988140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16477}}^1$

素因数の和:16506

約数の個数: 48

約数和(自身を含む): 77512512

約数和(自身を除く): 47524372

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 16477, 32954, 65908, 82385, 115339, 164770, 214201, 230678, 329540, 428402, 461356, 576695, 856804, 1071005, 1153390, 1499407, 2142010, 2306780, 2998814, 4284020, 5997628, 7497035, 14994070, 29988140]

約数ペア:

[(1, 29988140), (2, 14994070), (4, 7497035), (5, 5997628), (7, 4284020), (10, 2998814), (13, 2306780), (14, 2142010), (20, 1499407), (26, 1153390), (28, 1071005), (35, 856804), (52, 576695), (65, 461356), (70, 428402), (91, 329540), (130, 230678), (140, 214201), (182, 164770), (260, 115339), (364, 82385), (455, 65908), (910, 32954), (1820, 16477)]