28505700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1706

約数の個数: 108

約数和(自身を含む): 94108560

約数和(自身を除く): 65602860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1667, 1710, 1900, 2850, 3334, 3420, 4275, 5001, 5700, 6668, 8335, 8550, 10002, 15003, 16670, 17100, 20004, 25005, 30006, 31673, 33340, 41675, 50010, 60012, 63346, 75015, 83350, 95019, 100020, 125025, 126692, 150030, 158365, 166700, 190038, 250050, 285057, 300060, 316730, 375075, 380076, 475095, 500100, 570114, 633460, 750150, 791825, 950190, 1140228, 1425285, 1500300, 1583650, 1900380, 2375475, 2850570, 3167300, 4750950, 5701140, 7126425, 9501900, 14252850, 28505700]

約数ペア:

[(1, 28505700), (2, 14252850), (3, 9501900), (4, 7126425), (5, 5701140), (6, 4750950), (9, 3167300), (10, 2850570), (12, 2375475), (15, 1900380), (18, 1583650), (19, 1500300), (20, 1425285), (25, 1140228), (30, 950190), (36, 791825), (38, 750150), (45, 633460), (50, 570114), (57, 500100), (60, 475095), (75, 380076), (76, 375075), (90, 316730), (95, 300060), (100, 285057), (114, 250050), (150, 190038), (171, 166700), (180, 158365), (190, 150030), (225, 126692), (228, 125025), (285, 100020), (300, 95019), (342, 83350), (380, 75015), (450, 63346), (475, 60012), (570, 50010), (684, 41675), (855, 33340), (900, 31673), (950, 30006), (1140, 25005), (1425, 20004), (1667, 17100), (1710, 16670), (1900, 15003), (2850, 10002), (3334, 8550), (3420, 8335), (4275, 6668), (5001, 5700)]