28809900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:313

約数の個数: 216

約数和(自身を含む): 109680480

約数和(自身を除く): 80870580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 25, 28, 30, 34, 35, 36, 42, 45, 50, 51, 60, 63, 68, 70, 75, 84, 85, 90, 100, 102, 105, 119, 126, 140, 150, 153, 170, 175, 180, 204, 210, 225, 238, 252, 255, 269, 300, 306, 315, 340, 350, 357, 420, 425, 450, 476, 510, 525, 538, 595, 612, 630, 700, 714, 765, 807, 850, 900, 1020, 1050, 1071, 1076, 1190, 1260, 1275, 1345, 1428, 1530, 1575, 1614, 1700, 1785, 1883, 2100, 2142, 2380, 2421, 2550, 2690, 2975, 3060, 3150, 3228, 3570, 3766, 3825, 4035, 4284, 4573, 4842, 5100, 5355, 5380, 5649, 5950, 6300, 6725, 7140, 7532, 7650, 8070, 8925, 9146, 9415, 9684, 10710, 11298, 11900, 12105, 13450, 13719, 15300, 16140, 16947, 17850, 18292, 18830, 20175, 21420, 22596, 22865, 24210, 26775, 26900, 27438, 28245, 32011, 33894, 35700, 37660, 40350, 41157, 45730, 47075, 48420, 53550, 54876, 56490, 60525, 64022, 67788, 68595, 80700, 82314, 84735, 91460, 94150, 96033, 107100, 112980, 114325, 121050, 128044, 137190, 141225, 160055, 164628, 169470, 188300, 192066, 205785, 228650, 242100, 274380, 282450, 288099, 320110, 338940, 342975, 384132, 411570, 423675, 457300, 480165, 564900, 576198, 640220, 685950, 800275, 823140, 847350, 960330, 1028925, 1152396, 1371900, 1440495, 1600550, 1694700, 1920660, 2057850, 2400825, 2880990, 3201100, 4115700, 4801650, 5761980, 7202475, 9603300, 14404950, 28809900]

約数ペア:

[(1, 28809900), (2, 14404950), (3, 9603300), (4, 7202475), (5, 5761980), (6, 4801650), (7, 4115700), (9, 3201100), (10, 2880990), (12, 2400825), (14, 2057850), (15, 1920660), (17, 1694700), (18, 1600550), (20, 1440495), (21, 1371900), (25, 1152396), (28, 1028925), (30, 960330), (34, 847350), (35, 823140), (36, 800275), (42, 685950), (45, 640220), (50, 576198), (51, 564900), (60, 480165), (63, 457300), (68, 423675), (70, 411570), (75, 384132), (84, 342975), (85, 338940), (90, 320110), (100, 288099), (102, 282450), (105, 274380), (119, 242100), (126, 228650), (140, 205785), (150, 192066), (153, 188300), (170, 169470), (175, 164628), (180, 160055), (204, 141225), (210, 137190), (225, 128044), (238, 121050), (252, 114325), (255, 112980), (269, 107100), (300, 96033), (306, 94150), (315, 91460), (340, 84735), (350, 82314), (357, 80700), (420, 68595), (425, 67788), (450, 64022), (476, 60525), (510, 56490), (525, 54876), (538, 53550), (595, 48420), (612, 47075), (630, 45730), (700, 41157), (714, 40350), (765, 37660), (807, 35700), (850, 33894), (900, 32011), (1020, 28245), (1050, 27438), (1071, 26900), (1076, 26775), (1190, 24210), (1260, 22865), (1275, 22596), (1345, 21420), (1428, 20175), (1530, 18830), (1575, 18292), (1614, 17850), (1700, 16947), (1785, 16140), (1883, 15300), (2100, 13719), (2142, 13450), (2380, 12105), (2421, 11900), (2550, 11298), (2690, 10710), (2975, 9684), (3060, 9415), (3150, 9146), (3228, 8925), (3570, 8070), (3766, 7650), (3825, 7532), (4035, 7140), (4284, 6725), (4573, 6300), (4842, 5950), (5100, 5649), (5355, 5380)]