178293850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1280

約数の個数: 72

約数和(自身を含む): 392422428

約数和(自身を除く): 214128578

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 245, 305, 350, 427, 490, 610, 854, 1193, 1225, 1525, 2135, 2386, 2450, 2989, 3050, 4270, 5965, 5978, 8351, 10675, 11930, 14945, 16702, 21350, 29825, 29890, 41755, 58457, 59650, 72773, 74725, 83510, 116914, 145546, 149450, 208775, 292285, 363865, 417550, 509411, 584570, 727730, 1018822, 1461425, 1819325, 2547055, 2922850, 3565877, 3638650, 5094110, 7131754, 12735275, 17829385, 25470550, 35658770, 89146925, 178293850]

約数ペア:

[(1, 178293850), (2, 89146925), (5, 35658770), (7, 25470550), (10, 17829385), (14, 12735275), (25, 7131754), (35, 5094110), (49, 3638650), (50, 3565877), (61, 2922850), (70, 2547055), (98, 1819325), (122, 1461425), (175, 1018822), (245, 727730), (305, 584570), (350, 509411), (427, 417550), (490, 363865), (610, 292285), (854, 208775), (1193, 149450), (1225, 145546), (1525, 116914), (2135, 83510), (2386, 74725), (2450, 72773), (2989, 59650), (3050, 58457), (4270, 41755), (5965, 29890), (5978, 29825), (8351, 21350), (10675, 16702), (11930, 14945)]