289264920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{344363}}^1$

素因数の和:344384

約数の個数: 64

約数和(自身を含む): 991768320

約数和(自身を除く): 702503400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 344363, 688726, 1033089, 1377452, 1721815, 2066178, 2410541, 2754904, 3443630, 4132356, 4821082, 5165445, 6887260, 7231623, 8264712, 9642164, 10330890, 12052705, 13774520, 14463246, 19284328, 20661780, 24105410, 28926492, 36158115, 41323560, 48210820, 57852984, 72316230, 96421640, 144632460, 289264920]

約数ペア:

[(1, 289264920), (2, 144632460), (3, 96421640), (4, 72316230), (5, 57852984), (6, 48210820), (7, 41323560), (8, 36158115), (10, 28926492), (12, 24105410), (14, 20661780), (15, 19284328), (20, 14463246), (21, 13774520), (24, 12052705), (28, 10330890), (30, 9642164), (35, 8264712), (40, 7231623), (42, 6887260), (56, 5165445), (60, 4821082), (70, 4132356), (84, 3443630), (105, 2754904), (120, 2410541), (140, 2066178), (168, 1721815), (210, 1377452), (280, 1033089), (420, 688726), (840, 344363)]