84781900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3907}}^1$

素因数の和:3959

約数の個数: 72

約数和(自身を含む): 217097216

約数和(自身を除く): 132315316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 620, 700, 775, 868, 1085, 1550, 2170, 3100, 3907, 4340, 5425, 7814, 10850, 15628, 19535, 21700, 27349, 39070, 54698, 78140, 97675, 109396, 121117, 136745, 195350, 242234, 273490, 390700, 484468, 546980, 605585, 683725, 847819, 1211170, 1367450, 1695638, 2422340, 2734900, 3027925, 3391276, 4239095, 6055850, 8478190, 12111700, 16956380, 21195475, 42390950, 84781900]

約数ペア:

[(1, 84781900), (2, 42390950), (4, 21195475), (5, 16956380), (7, 12111700), (10, 8478190), (14, 6055850), (20, 4239095), (25, 3391276), (28, 3027925), (31, 2734900), (35, 2422340), (50, 1695638), (62, 1367450), (70, 1211170), (100, 847819), (124, 683725), (140, 605585), (155, 546980), (175, 484468), (217, 390700), (310, 273490), (350, 242234), (434, 195350), (620, 136745), (700, 121117), (775, 109396), (868, 97675), (1085, 78140), (1550, 54698), (2170, 39070), (3100, 27349), (3907, 21700), (4340, 19535), (5425, 15628), (7814, 10850)]