28431900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{4513}}^1$

素因数の和:4540

約数の個数: 108

約数和(自身を含む): 101871952

約数和(自身を除く): 73440052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 4513, 6300, 9026, 13539, 18052, 22565, 27078, 31591, 40617, 45130, 54156, 63182, 67695, 81234, 90260, 94773, 112825, 126364, 135390, 157955, 162468, 189546, 203085, 225650, 270780, 284319, 315910, 338475, 379092, 406170, 451300, 473865, 568638, 631820, 676950, 789775, 812340, 947730, 1015425, 1137276, 1353900, 1421595, 1579550, 1895460, 2030850, 2369325, 2843190, 3159100, 4061700, 4738650, 5686380, 7107975, 9477300, 14215950, 28431900]

約数ペア:

[(1, 28431900), (2, 14215950), (3, 9477300), (4, 7107975), (5, 5686380), (6, 4738650), (7, 4061700), (9, 3159100), (10, 2843190), (12, 2369325), (14, 2030850), (15, 1895460), (18, 1579550), (20, 1421595), (21, 1353900), (25, 1137276), (28, 1015425), (30, 947730), (35, 812340), (36, 789775), (42, 676950), (45, 631820), (50, 568638), (60, 473865), (63, 451300), (70, 406170), (75, 379092), (84, 338475), (90, 315910), (100, 284319), (105, 270780), (126, 225650), (140, 203085), (150, 189546), (175, 162468), (180, 157955), (210, 135390), (225, 126364), (252, 112825), (300, 94773), (315, 90260), (350, 81234), (420, 67695), (450, 63182), (525, 54156), (630, 45130), (700, 40617), (900, 31591), (1050, 27078), (1260, 22565), (1575, 18052), (2100, 13539), (3150, 9026), (4513, 6300)]