2018954980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2689}}^1$

素因数の和:2909

約数の個数: 96

約数和(自身を含む): 5032581120

約数和(自身を除く): 3013626140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 173, 217, 310, 346, 434, 620, 692, 865, 868, 1085, 1211, 1730, 2170, 2422, 2689, 3460, 4340, 4844, 5363, 5378, 6055, 10726, 10756, 12110, 13445, 18823, 21452, 24220, 26815, 26890, 37541, 37646, 53630, 53780, 75082, 75292, 83359, 94115, 107260, 150164, 166718, 187705, 188230, 333436, 375410, 376460, 416795, 465197, 583513, 750820, 833590, 930394, 1167026, 1667180, 1860788, 2325985, 2334052, 2917565, 3256379, 4651970, 5835130, 6512758, 9303940, 11670260, 13025516, 14421107, 16281895, 28842214, 32563790, 57684428, 65127580, 72105535, 100947749, 144211070, 201895498, 288422140, 403790996, 504738745, 1009477490, 2018954980]

約数ペア:

[(1, 2018954980), (2, 1009477490), (4, 504738745), (5, 403790996), (7, 288422140), (10, 201895498), (14, 144211070), (20, 100947749), (28, 72105535), (31, 65127580), (35, 57684428), (62, 32563790), (70, 28842214), (124, 16281895), (140, 14421107), (155, 13025516), (173, 11670260), (217, 9303940), (310, 6512758), (346, 5835130), (434, 4651970), (620, 3256379), (692, 2917565), (865, 2334052), (868, 2325985), (1085, 1860788), (1211, 1667180), (1730, 1167026), (2170, 930394), (2422, 833590), (2689, 750820), (3460, 583513), (4340, 465197), (4844, 416795), (5363, 376460), (5378, 375410), (6055, 333436), (10726, 188230), (10756, 187705), (12110, 166718), (13445, 150164), (18823, 107260), (21452, 94115), (24220, 83359), (26815, 75292), (26890, 75082), (37541, 53780), (37646, 53630)]