2005128900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{117259}}^1$

素因数の和:117298

約数の個数: 108

約数和(自身を含む): 6615809200

約数和(自身を除く): 4610680300

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, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 17100, 117259, 234518, 351777, 469036, 586295, 703554, 1055331, 1172590, 1407108, 1758885, 2110662, 2227921, 2345180, 2931475, 3517770, 4221324, 4455842, 5276655, 5862950, 6683763, 7035540, 8794425, 8911684, 10553310, 11139605, 11725900, 13367526, 17588850, 20051289, 21106620, 22279210, 26383275, 26735052, 33418815, 35177700, 40102578, 44558420, 52766550, 55698025, 66837630, 80205156, 100256445, 105533100, 111396050, 133675260, 167094075, 200512890, 222792100, 334188150, 401025780, 501282225, 668376300, 1002564450, 2005128900]

約数ペア:

[(1, 2005128900), (2, 1002564450), (3, 668376300), (4, 501282225), (5, 401025780), (6, 334188150), (9, 222792100), (10, 200512890), (12, 167094075), (15, 133675260), (18, 111396050), (19, 105533100), (20, 100256445), (25, 80205156), (30, 66837630), (36, 55698025), (38, 52766550), (45, 44558420), (50, 40102578), (57, 35177700), (60, 33418815), (75, 26735052), (76, 26383275), (90, 22279210), (95, 21106620), (100, 20051289), (114, 17588850), (150, 13367526), (171, 11725900), (180, 11139605), (190, 10553310), (225, 8911684), (228, 8794425), (285, 7035540), (300, 6683763), (342, 5862950), (380, 5276655), (450, 4455842), (475, 4221324), (570, 3517770), (684, 2931475), (855, 2345180), (900, 2227921), (950, 2110662), (1140, 1758885), (1425, 1407108), (1710, 1172590), (1900, 1055331), (2850, 703554), (3420, 586295), (4275, 469036), (5700, 351777), (8550, 234518), (17100, 117259)]