172572140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1733}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 391523328

約数和(自身を除く): 218951188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 1532, 1733, 1915, 3466, 3830, 4979, 6932, 7660, 8665, 9958, 17330, 19916, 22529, 24895, 34660, 45058, 49790, 90116, 99580, 112645, 225290, 450580, 663739, 1327478, 2654956, 3318695, 6637390, 8628607, 13274780, 17257214, 34514428, 43143035, 86286070, 172572140]

約数ペア:

[(1, 172572140), (2, 86286070), (4, 43143035), (5, 34514428), (10, 17257214), (13, 13274780), (20, 8628607), (26, 6637390), (52, 3318695), (65, 2654956), (130, 1327478), (260, 663739), (383, 450580), (766, 225290), (1532, 112645), (1733, 99580), (1915, 90116), (3466, 49790), (3830, 45058), (4979, 34660), (6932, 24895), (7660, 22529), (8665, 19916), (9958, 17330)]