31251000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:982

約数の個数: 128

約数和(自身を含む): 106479360

約数和(自身を除く): 75228360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 660, 750, 825, 947, 1000, 1100, 1320, 1375, 1500, 1650, 1894, 2200, 2750, 2841, 3000, 3300, 3788, 4125, 4735, 5500, 5682, 6600, 7576, 8250, 9470, 10417, 11000, 11364, 14205, 16500, 18940, 20834, 22728, 23675, 28410, 31251, 33000, 37880, 41668, 47350, 52085, 56820, 62502, 71025, 83336, 94700, 104170, 113640, 118375, 125004, 142050, 156255, 189400, 208340, 236750, 250008, 260425, 284100, 312510, 355125, 416680, 473500, 520850, 568200, 625020, 710250, 781275, 947000, 1041700, 1250040, 1302125, 1420500, 1562550, 2083400, 2604250, 2841000, 3125100, 3906375, 5208500, 6250200, 7812750, 10417000, 15625500, 31251000]

約数ペア:

[(1, 31251000), (2, 15625500), (3, 10417000), (4, 7812750), (5, 6250200), (6, 5208500), (8, 3906375), (10, 3125100), (11, 2841000), (12, 2604250), (15, 2083400), (20, 1562550), (22, 1420500), (24, 1302125), (25, 1250040), (30, 1041700), (33, 947000), (40, 781275), (44, 710250), (50, 625020), (55, 568200), (60, 520850), (66, 473500), (75, 416680), (88, 355125), (100, 312510), (110, 284100), (120, 260425), (125, 250008), (132, 236750), (150, 208340), (165, 189400), (200, 156255), (220, 142050), (250, 125004), (264, 118375), (275, 113640), (300, 104170), (330, 94700), (375, 83336), (440, 71025), (500, 62502), (550, 56820), (600, 52085), (660, 47350), (750, 41668), (825, 37880), (947, 33000), (1000, 31251), (1100, 28410), (1320, 23675), (1375, 22728), (1500, 20834), (1650, 18940), (1894, 16500), (2200, 14205), (2750, 11364), (2841, 11000), (3000, 10417), (3300, 9470), (3788, 8250), (4125, 7576), (4735, 6600), (5500, 5682)]