489274380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{388313}}^1$

素因数の和:388335

約数の個数: 72

約数和(自身を含む): 1696155552

約数和(自身を除く): 1206881172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 388313, 776626, 1164939, 1553252, 1941565, 2329878, 2718191, 3494817, 3883130, 4659756, 5436382, 5824695, 6989634, 7766260, 8154573, 10872764, 11649390, 13590955, 13979268, 16309146, 17474085, 23298780, 24463719, 27181910, 32618292, 34948170, 40772865, 48927438, 54363820, 69896340, 81545730, 97854876, 122318595, 163091460, 244637190, 489274380]

約数ペア:

[(1, 489274380), (2, 244637190), (3, 163091460), (4, 122318595), (5, 97854876), (6, 81545730), (7, 69896340), (9, 54363820), (10, 48927438), (12, 40772865), (14, 34948170), (15, 32618292), (18, 27181910), (20, 24463719), (21, 23298780), (28, 17474085), (30, 16309146), (35, 13979268), (36, 13590955), (42, 11649390), (45, 10872764), (60, 8154573), (63, 7766260), (70, 6989634), (84, 5824695), (90, 5436382), (105, 4659756), (126, 3883130), (140, 3494817), (180, 2718191), (210, 2329878), (252, 1941565), (315, 1553252), (420, 1164939), (630, 776626), (1260, 388313)]