209134850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 424496268

約数和(自身を除く): 215361418

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 289, 353, 410, 425, 578, 697, 706, 850, 1025, 1394, 1445, 1765, 2050, 2890, 3485, 3530, 6001, 6970, 7225, 8825, 11849, 12002, 14450, 14473, 17425, 17650, 23698, 28946, 30005, 34850, 59245, 60010, 72365, 102017, 118490, 144730, 150025, 204034, 246041, 296225, 300050, 361825, 492082, 510085, 592450, 723650, 1020170, 1230205, 2460410, 2550425, 4182697, 5100850, 6151025, 8365394, 12302050, 20913485, 41826970, 104567425, 209134850]

約数ペア:

[(1, 209134850), (2, 104567425), (5, 41826970), (10, 20913485), (17, 12302050), (25, 8365394), (34, 6151025), (41, 5100850), (50, 4182697), (82, 2550425), (85, 2460410), (170, 1230205), (205, 1020170), (289, 723650), (353, 592450), (410, 510085), (425, 492082), (578, 361825), (697, 300050), (706, 296225), (850, 246041), (1025, 204034), (1394, 150025), (1445, 144730), (1765, 118490), (2050, 102017), (2890, 72365), (3485, 60010), (3530, 59245), (6001, 34850), (6970, 30005), (7225, 28946), (8825, 23698), (11849, 17650), (12002, 17425), (14450, 14473)]