1009983669100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20321603}}^1$

素因数の和:20321695

約数の個数: 72

約数和(自身を含む): 2540037927168

約数和(自身を除く): 1530054258068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 2485, 3550, 4970, 7100, 9940, 12425, 24850, 49700, 20321603, 40643206, 81286412, 101608015, 142251221, 203216030, 284502442, 406432060, 508040075, 569004884, 711256105, 1016080150, 1422512210, 1442833813, 2032160300, 2845024420, 2885667626, 3556280525, 5771335252, 7112561050, 7214169065, 10099836691, 14225122100, 14428338130, 20199673382, 28856676260, 36070845325, 40399346764, 50499183455, 72141690650, 100998366910, 144283381300, 201996733820, 252495917275, 504991834550, 1009983669100]

約数ペア:

[(1, 1009983669100), (2, 504991834550), (4, 252495917275), (5, 201996733820), (7, 144283381300), (10, 100998366910), (14, 72141690650), (20, 50499183455), (25, 40399346764), (28, 36070845325), (35, 28856676260), (50, 20199673382), (70, 14428338130), (71, 14225122100), (100, 10099836691), (140, 7214169065), (142, 7112561050), (175, 5771335252), (284, 3556280525), (350, 2885667626), (355, 2845024420), (497, 2032160300), (700, 1442833813), (710, 1422512210), (994, 1016080150), (1420, 711256105), (1775, 569004884), (1988, 508040075), (2485, 406432060), (3550, 284502442), (4970, 203216030), (7100, 142251221), (9940, 101608015), (12425, 81286412), (24850, 40643206), (49700, 20321603)]