16397450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 32140800

約数和(自身を除く): 15743350

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 149, 155, 298, 310, 355, 710, 745, 775, 1490, 1550, 1775, 2201, 3550, 3725, 4402, 4619, 7450, 9238, 10579, 11005, 21158, 22010, 23095, 46190, 52895, 55025, 105790, 110050, 115475, 230950, 264475, 327949, 528950, 655898, 1639745, 3279490, 8198725, 16397450]

約数ペア:

[(1, 16397450), (2, 8198725), (5, 3279490), (10, 1639745), (25, 655898), (31, 528950), (50, 327949), (62, 264475), (71, 230950), (142, 115475), (149, 110050), (155, 105790), (298, 55025), (310, 52895), (355, 46190), (710, 23095), (745, 22010), (775, 21158), (1490, 11005), (1550, 10579), (1775, 9238), (2201, 7450), (3550, 4619), (3725, 4402)]