4441990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 9953280

約数和(自身を除く): 5511290

約数列:

[1, 2, 5, 7, 10, 14, 23, 31, 35, 46, 62, 70, 89, 115, 155, 161, 178, 217, 230, 310, 322, 434, 445, 623, 713, 805, 890, 1085, 1246, 1426, 1610, 2047, 2170, 2759, 3115, 3565, 4094, 4991, 5518, 6230, 7130, 9982, 10235, 13795, 14329, 19313, 20470, 24955, 27590, 28658, 38626, 49910, 63457, 71645, 96565, 126914, 143290, 193130, 317285, 444199, 634570, 888398, 2220995, 4441990]

約数ペア:

[(1, 4441990), (2, 2220995), (5, 888398), (7, 634570), (10, 444199), (14, 317285), (23, 193130), (31, 143290), (35, 126914), (46, 96565), (62, 71645), (70, 63457), (89, 49910), (115, 38626), (155, 28658), (161, 27590), (178, 24955), (217, 20470), (230, 19313), (310, 14329), (322, 13795), (434, 10235), (445, 9982), (623, 7130), (713, 6230), (805, 5518), (890, 4991), (1085, 4094), (1246, 3565), (1426, 3115), (1610, 2759), (2047, 2170)]