216947300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1489}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 496634880

約数和(自身を除く): 279687580

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 155, 188, 235, 310, 470, 620, 775, 940, 1175, 1457, 1489, 1550, 2350, 2914, 2978, 3100, 4700, 5828, 5956, 7285, 7445, 14570, 14890, 29140, 29780, 36425, 37225, 46159, 69983, 72850, 74450, 92318, 139966, 145700, 148900, 184636, 230795, 279932, 349915, 461590, 699830, 923180, 1153975, 1399660, 1749575, 2169473, 2307950, 3499150, 4338946, 4615900, 6998300, 8677892, 10847365, 21694730, 43389460, 54236825, 108473650, 216947300]

約数ペア:

[(1, 216947300), (2, 108473650), (4, 54236825), (5, 43389460), (10, 21694730), (20, 10847365), (25, 8677892), (31, 6998300), (47, 4615900), (50, 4338946), (62, 3499150), (94, 2307950), (100, 2169473), (124, 1749575), (155, 1399660), (188, 1153975), (235, 923180), (310, 699830), (470, 461590), (620, 349915), (775, 279932), (940, 230795), (1175, 184636), (1457, 148900), (1489, 145700), (1550, 139966), (2350, 92318), (2914, 74450), (2978, 72850), (3100, 69983), (4700, 46159), (5828, 37225), (5956, 36425), (7285, 29780), (7445, 29140), (14570, 14890)]