100898980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55439}}^1$

素因数の和:55468

約数の個数: 48

約数和(自身を含む): 260789760

約数和(自身を除く): 159890780

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 55439, 110878, 221756, 277195, 388073, 554390, 720707, 776146, 1108780, 1441414, 1552292, 1940365, 2882828, 3603535, 3880730, 5044949, 7207070, 7761460, 10089898, 14414140, 20179796, 25224745, 50449490, 100898980]

約数ペア:

[(1, 100898980), (2, 50449490), (4, 25224745), (5, 20179796), (7, 14414140), (10, 10089898), (13, 7761460), (14, 7207070), (20, 5044949), (26, 3880730), (28, 3603535), (35, 2882828), (52, 1940365), (65, 1552292), (70, 1441414), (91, 1108780), (130, 776146), (140, 720707), (182, 554390), (260, 388073), (364, 277195), (455, 221756), (910, 110878), (1820, 55439)]