2000409850

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 4011171840

約数和(自身を除く): 2010761990

約数列:

[1, 2, 5, 10, 25, 29, 31, 50, 58, 62, 145, 155, 191, 233, 290, 310, 382, 466, 725, 775, 899, 955, 1165, 1450, 1550, 1798, 1910, 2330, 4495, 4775, 5539, 5825, 5921, 6757, 7223, 8990, 9550, 11078, 11650, 11842, 13514, 14446, 22475, 27695, 29605, 33785, 36115, 44503, 44950, 55390, 59210, 67570, 72230, 89006, 138475, 148025, 168925, 171709, 180575, 209467, 222515, 276950, 296050, 337850, 343418, 361150, 418934, 445030, 858545, 1047335, 1112575, 1290587, 1379593, 1717090, 2094670, 2225150, 2581174, 2759186, 4292725, 5236675, 6452935, 6897965, 8585450, 10473350, 12905870, 13795930, 32264675, 34489825, 40008197, 64529350, 68979650, 80016394, 200040985, 400081970, 1000204925, 2000409850]

約数ペア:

[(1, 2000409850), (2, 1000204925), (5, 400081970), (10, 200040985), (25, 80016394), (29, 68979650), (31, 64529350), (50, 40008197), (58, 34489825), (62, 32264675), (145, 13795930), (155, 12905870), (191, 10473350), (233, 8585450), (290, 6897965), (310, 6452935), (382, 5236675), (466, 4292725), (725, 2759186), (775, 2581174), (899, 2225150), (955, 2094670), (1165, 1717090), (1450, 1379593), (1550, 1290587), (1798, 1112575), (1910, 1047335), (2330, 858545), (4495, 445030), (4775, 418934), (5539, 361150), (5825, 343418), (5921, 337850), (6757, 296050), (7223, 276950), (8990, 222515), (9550, 209467), (11078, 180575), (11650, 171709), (11842, 168925), (13514, 148025), (14446, 138475), (22475, 89006), (27695, 72230), (29605, 67570), (33785, 59210), (36115, 55390), (44503, 44950)]