89000380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20507}}^1$

素因数の和:20554

約数の個数: 48

約数和(自身を含む): 220502016

約数和(自身を除く): 131501636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20507, 41014, 82028, 102535, 143549, 205070, 287098, 410140, 574196, 635717, 717745, 1271434, 1435490, 2542868, 2870980, 3178585, 4450019, 6357170, 8900038, 12714340, 17800076, 22250095, 44500190, 89000380]

約数ペア:

[(1, 89000380), (2, 44500190), (4, 22250095), (5, 17800076), (7, 12714340), (10, 8900038), (14, 6357170), (20, 4450019), (28, 3178585), (31, 2870980), (35, 2542868), (62, 1435490), (70, 1271434), (124, 717745), (140, 635717), (155, 574196), (217, 410140), (310, 287098), (434, 205070), (620, 143549), (868, 102535), (1085, 82028), (2170, 41014), (4340, 20507)]