689096940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{86353}}^1$

素因数の和:86391

約数の個数: 96

約数和(自身を含む): 2321195520

約数和(自身を除く): 1632098580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 86353, 172706, 259059, 345412, 431765, 518118, 604471, 863530, 1036236, 1208942, 1295295, 1640707, 1727060, 1813413, 2417884, 2590590, 3022355, 3281414, 3626826, 4922121, 5181180, 6044710, 6562828, 7253652, 8203535, 9067065, 9844242, 11484949, 12089420, 16407070, 18134130, 19688484, 22969898, 24610605, 32814140, 34454847, 36268260, 45939796, 49221210, 57424745, 68909694, 98442420, 114849490, 137819388, 172274235, 229698980, 344548470, 689096940]

約数ペア:

[(1, 689096940), (2, 344548470), (3, 229698980), (4, 172274235), (5, 137819388), (6, 114849490), (7, 98442420), (10, 68909694), (12, 57424745), (14, 49221210), (15, 45939796), (19, 36268260), (20, 34454847), (21, 32814140), (28, 24610605), (30, 22969898), (35, 19688484), (38, 18134130), (42, 16407070), (57, 12089420), (60, 11484949), (70, 9844242), (76, 9067065), (84, 8203535), (95, 7253652), (105, 6562828), (114, 6044710), (133, 5181180), (140, 4922121), (190, 3626826), (210, 3281414), (228, 3022355), (266, 2590590), (285, 2417884), (380, 1813413), (399, 1727060), (420, 1640707), (532, 1295295), (570, 1208942), (665, 1036236), (798, 863530), (1140, 604471), (1330, 518118), (1596, 431765), (1995, 345412), (2660, 259059), (3990, 172706), (7980, 86353)]