289812640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139333}}^1$

素因数の和:139361

約数の個数: 48

約数和(自身を含む): 737355528

約数和(自身を除く): 447542888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 139333, 278666, 557332, 696665, 1114664, 1393330, 1811329, 2229328, 2786660, 3622658, 4458656, 5573320, 7245316, 9056645, 11146640, 14490632, 18113290, 22293280, 28981264, 36226580, 57962528, 72453160, 144906320, 289812640]

約数ペア:

[(1, 289812640), (2, 144906320), (4, 72453160), (5, 57962528), (8, 36226580), (10, 28981264), (13, 22293280), (16, 18113290), (20, 14490632), (26, 11146640), (32, 9056645), (40, 7245316), (52, 5573320), (65, 4458656), (80, 3622658), (104, 2786660), (130, 2229328), (160, 1811329), (208, 1393330), (260, 1114664), (416, 696665), (520, 557332), (1040, 278666), (2080, 139333)]