561398650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 1151645040

約数和(自身を除く): 590246390

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 89, 170, 178, 181, 205, 362, 410, 425, 445, 697, 850, 890, 905, 1025, 1394, 1513, 1810, 2050, 2225, 3026, 3077, 3485, 3649, 4450, 4525, 6154, 6970, 7298, 7421, 7565, 9050, 14842, 15130, 15385, 16109, 17425, 18245, 30770, 32218, 34850, 36490, 37105, 37825, 62033, 74210, 75650, 76925, 80545, 91225, 124066, 126157, 153850, 161090, 182450, 185525, 252314, 273853, 310165, 371050, 402725, 547706, 620330, 630785, 660469, 805450, 1261570, 1320938, 1369265, 1550825, 2738530, 3101650, 3153925, 3302345, 6307850, 6604690, 6846325, 11227973, 13692650, 16511725, 22455946, 33023450, 56139865, 112279730, 280699325, 561398650]

約数ペア:

[(1, 561398650), (2, 280699325), (5, 112279730), (10, 56139865), (17, 33023450), (25, 22455946), (34, 16511725), (41, 13692650), (50, 11227973), (82, 6846325), (85, 6604690), (89, 6307850), (170, 3302345), (178, 3153925), (181, 3101650), (205, 2738530), (362, 1550825), (410, 1369265), (425, 1320938), (445, 1261570), (697, 805450), (850, 660469), (890, 630785), (905, 620330), (1025, 547706), (1394, 402725), (1513, 371050), (1810, 310165), (2050, 273853), (2225, 252314), (3026, 185525), (3077, 182450), (3485, 161090), (3649, 153850), (4450, 126157), (4525, 124066), (6154, 91225), (6970, 80545), (7298, 76925), (7421, 75650), (7565, 74210), (9050, 62033), (14842, 37825), (15130, 37105), (15385, 36490), (16109, 34850), (17425, 32218), (18245, 30770)]