291296220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{255523}}^1$

素因数の和:255554

約数の個数: 48

約数和(自身を含む): 858560640

約数和(自身を除く): 567264420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 255523, 511046, 766569, 1022092, 1277615, 1533138, 2555230, 3066276, 3832845, 4854937, 5110460, 7665690, 9709874, 14564811, 15331380, 19419748, 24274685, 29129622, 48549370, 58259244, 72824055, 97098740, 145648110, 291296220]

約数ペア:

[(1, 291296220), (2, 145648110), (3, 97098740), (4, 72824055), (5, 58259244), (6, 48549370), (10, 29129622), (12, 24274685), (15, 19419748), (19, 15331380), (20, 14564811), (30, 9709874), (38, 7665690), (57, 5110460), (60, 4854937), (76, 3832845), (95, 3066276), (114, 2555230), (190, 1533138), (228, 1277615), (285, 1022092), (380, 766569), (570, 511046), (1140, 255523)]