12868100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 32997888

約数和(自身を除く): 20129788

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, 593, 620, 700, 775, 868, 1085, 1186, 1550, 2170, 2372, 2965, 3100, 4151, 4340, 5425, 5930, 8302, 10850, 11860, 14825, 16604, 18383, 20755, 21700, 29650, 36766, 41510, 59300, 73532, 83020, 91915, 103775, 128681, 183830, 207550, 257362, 367660, 415100, 459575, 514724, 643405, 919150, 1286810, 1838300, 2573620, 3217025, 6434050, 12868100]

約数ペア:

[(1, 12868100), (2, 6434050), (4, 3217025), (5, 2573620), (7, 1838300), (10, 1286810), (14, 919150), (20, 643405), (25, 514724), (28, 459575), (31, 415100), (35, 367660), (50, 257362), (62, 207550), (70, 183830), (100, 128681), (124, 103775), (140, 91915), (155, 83020), (175, 73532), (217, 59300), (310, 41510), (350, 36766), (434, 29650), (593, 21700), (620, 20755), (700, 18383), (775, 16604), (868, 14825), (1085, 11860), (1186, 10850), (1550, 8302), (2170, 5930), (2372, 5425), (2965, 4340), (3100, 4151)]