42997000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 128

約数和(自身を含む): 110822400

約数和(自身を除く): 67825400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 73, 76, 95, 100, 124, 125, 146, 152, 155, 190, 200, 248, 250, 292, 310, 365, 380, 475, 500, 584, 589, 620, 730, 760, 775, 950, 1000, 1178, 1240, 1387, 1460, 1550, 1825, 1900, 2263, 2356, 2375, 2774, 2920, 2945, 3100, 3650, 3800, 3875, 4526, 4712, 4750, 5548, 5890, 6200, 6935, 7300, 7750, 9052, 9125, 9500, 11096, 11315, 11780, 13870, 14600, 14725, 15500, 18104, 18250, 19000, 22630, 23560, 27740, 29450, 31000, 34675, 36500, 42997, 45260, 55480, 56575, 58900, 69350, 73000, 73625, 85994, 90520, 113150, 117800, 138700, 147250, 171988, 173375, 214985, 226300, 277400, 282875, 294500, 343976, 346750, 429970, 452600, 565750, 589000, 693500, 859940, 1074925, 1131500, 1387000, 1719880, 2149850, 2263000, 4299700, 5374625, 8599400, 10749250, 21498500, 42997000]

約数ペア:

[(1, 42997000), (2, 21498500), (4, 10749250), (5, 8599400), (8, 5374625), (10, 4299700), (19, 2263000), (20, 2149850), (25, 1719880), (31, 1387000), (38, 1131500), (40, 1074925), (50, 859940), (62, 693500), (73, 589000), (76, 565750), (95, 452600), (100, 429970), (124, 346750), (125, 343976), (146, 294500), (152, 282875), (155, 277400), (190, 226300), (200, 214985), (248, 173375), (250, 171988), (292, 147250), (310, 138700), (365, 117800), (380, 113150), (475, 90520), (500, 85994), (584, 73625), (589, 73000), (620, 69350), (730, 58900), (760, 56575), (775, 55480), (950, 45260), (1000, 42997), (1178, 36500), (1240, 34675), (1387, 31000), (1460, 29450), (1550, 27740), (1825, 23560), (1900, 22630), (2263, 19000), (2356, 18250), (2375, 18104), (2774, 15500), (2920, 14725), (2945, 14600), (3100, 13870), (3650, 11780), (3800, 11315), (3875, 11096), (4526, 9500), (4712, 9125), (4750, 9052), (5548, 7750), (5890, 7300), (6200, 6935)]