219157850

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 417294720

約数和(自身を除く): 198136870

約数列:

[1, 2, 5, 10, 25, 50, 79, 113, 158, 226, 395, 491, 565, 790, 982, 1130, 1975, 2455, 2825, 3950, 4910, 5650, 8927, 12275, 17854, 24550, 38789, 44635, 55483, 77578, 89270, 110966, 193945, 223175, 277415, 387890, 446350, 554830, 969725, 1387075, 1939450, 2774150, 4383157, 8766314, 21915785, 43831570, 109578925, 219157850]

約数ペア:

[(1, 219157850), (2, 109578925), (5, 43831570), (10, 21915785), (25, 8766314), (50, 4383157), (79, 2774150), (113, 1939450), (158, 1387075), (226, 969725), (395, 554830), (491, 446350), (565, 387890), (790, 277415), (982, 223175), (1130, 193945), (1975, 110966), (2455, 89270), (2825, 77578), (3950, 55483), (4910, 44635), (5650, 38789), (8927, 24550), (12275, 17854)]