155890805

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 231588720

約数和(自身を除く): 75697915

約数列:

[1, 5, 7, 29, 35, 37, 49, 145, 185, 203, 245, 259, 593, 1015, 1073, 1295, 1421, 1813, 2965, 4151, 5365, 7105, 7511, 9065, 17197, 20755, 21941, 29057, 37555, 52577, 85985, 109705, 120379, 145285, 153587, 262885, 601895, 636289, 767935, 842653, 1075109, 3181445, 4213265, 4454023, 5375545, 22270115, 31178161, 155890805]

約数ペア:

[(1, 155890805), (5, 31178161), (7, 22270115), (29, 5375545), (35, 4454023), (37, 4213265), (49, 3181445), (145, 1075109), (185, 842653), (203, 767935), (245, 636289), (259, 601895), (593, 262885), (1015, 153587), (1073, 145285), (1295, 120379), (1421, 109705), (1813, 85985), (2965, 52577), (4151, 37555), (5365, 29057), (7105, 21941), (7511, 20755), (9065, 17197)]