214540020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{62731}}^1$

素因数の和:62765

約数の個数: 72

約数和(自身を含む): 685033440

約数和(自身を除く): 470493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 62731, 125462, 188193, 250924, 313655, 376386, 564579, 627310, 752772, 940965, 1129158, 1191889, 1254620, 1881930, 2258316, 2383778, 2822895, 3575667, 3763860, 4767556, 5645790, 5959445, 7151334, 10727001, 11291580, 11918890, 14302668, 17878335, 21454002, 23837780, 35756670, 42908004, 53635005, 71513340, 107270010, 214540020]

約数ペア:

[(1, 214540020), (2, 107270010), (3, 71513340), (4, 53635005), (5, 42908004), (6, 35756670), (9, 23837780), (10, 21454002), (12, 17878335), (15, 14302668), (18, 11918890), (19, 11291580), (20, 10727001), (30, 7151334), (36, 5959445), (38, 5645790), (45, 4767556), (57, 3763860), (60, 3575667), (76, 2822895), (90, 2383778), (95, 2258316), (114, 1881930), (171, 1254620), (180, 1191889), (190, 1129158), (228, 940965), (285, 752772), (342, 627310), (380, 564579), (570, 376386), (684, 313655), (855, 250924), (1140, 188193), (1710, 125462), (3420, 62731)]