1291150

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 72

約数和(自身を含む): 3053376

約数和(自身を除く): 1762226

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 31, 34, 35, 49, 50, 62, 70, 85, 98, 119, 155, 170, 175, 217, 238, 245, 310, 350, 425, 434, 490, 527, 595, 775, 833, 850, 1054, 1085, 1190, 1225, 1519, 1550, 1666, 2170, 2450, 2635, 2975, 3038, 3689, 4165, 5270, 5425, 5950, 7378, 7595, 8330, 10850, 13175, 15190, 18445, 20825, 25823, 26350, 36890, 37975, 41650, 51646, 75950, 92225, 129115, 184450, 258230, 645575, 1291150]

約数ペア:

[(1, 1291150), (2, 645575), (5, 258230), (7, 184450), (10, 129115), (14, 92225), (17, 75950), (25, 51646), (31, 41650), (34, 37975), (35, 36890), (49, 26350), (50, 25823), (62, 20825), (70, 18445), (85, 15190), (98, 13175), (119, 10850), (155, 8330), (170, 7595), (175, 7378), (217, 5950), (238, 5425), (245, 5270), (310, 4165), (350, 3689), (425, 3038), (434, 2975), (490, 2635), (527, 2450), (595, 2170), (775, 1666), (833, 1550), (850, 1519), (1054, 1225), (1085, 1190)]