147731990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1031}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 320993280

約数和(自身を除く): 173261290

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 89, 115, 161, 178, 230, 322, 445, 623, 805, 890, 1031, 1246, 1610, 2047, 2062, 3115, 4094, 5155, 6230, 7217, 10235, 10310, 14329, 14434, 20470, 23713, 28658, 36085, 47426, 71645, 72170, 91759, 118565, 143290, 165991, 183518, 237130, 331982, 458795, 642313, 829955, 917590, 1284626, 1659910, 2110457, 3211565, 4220914, 6423130, 10552285, 14773199, 21104570, 29546398, 73865995, 147731990]

約数ペア:

[(1, 147731990), (2, 73865995), (5, 29546398), (7, 21104570), (10, 14773199), (14, 10552285), (23, 6423130), (35, 4220914), (46, 3211565), (70, 2110457), (89, 1659910), (115, 1284626), (161, 917590), (178, 829955), (230, 642313), (322, 458795), (445, 331982), (623, 237130), (805, 183518), (890, 165991), (1031, 143290), (1246, 118565), (1610, 91759), (2047, 72170), (2062, 71645), (3115, 47426), (4094, 36085), (5155, 28658), (6230, 23713), (7217, 20470), (10235, 14434), (10310, 14329)]