1790989020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{523681}}^1$

素因数の和:523715

約数の個数: 72

約数和(自身を含む): 5718607440

約数和(自身を除く): 3927618420

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, 523681, 1047362, 1571043, 2094724, 2618405, 3142086, 4713129, 5236810, 6284172, 7855215, 9426258, 9949939, 10473620, 15710430, 18852516, 19899878, 23565645, 29849817, 31420860, 39799756, 47131290, 49749695, 59699634, 89549451, 94262580, 99499390, 119399268, 149249085, 179098902, 198998780, 298498170, 358197804, 447747255, 596996340, 895494510, 1790989020]

約数ペア:

[(1, 1790989020), (2, 895494510), (3, 596996340), (4, 447747255), (5, 358197804), (6, 298498170), (9, 198998780), (10, 179098902), (12, 149249085), (15, 119399268), (18, 99499390), (19, 94262580), (20, 89549451), (30, 59699634), (36, 49749695), (38, 47131290), (45, 39799756), (57, 31420860), (60, 29849817), (76, 23565645), (90, 19899878), (95, 18852516), (114, 15710430), (171, 10473620), (180, 9949939), (190, 9426258), (228, 7855215), (285, 6284172), (342, 5236810), (380, 4713129), (570, 3142086), (684, 2618405), (855, 2094724), (1140, 1571043), (1710, 1047362), (3420, 523681)]