194355180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1$

素因数の和:1053

約数の個数: 144

約数和(自身を含む): 638799840

約数和(自身を除く): 444444660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 361, 380, 513, 540, 570, 684, 722, 855, 997, 1026, 1083, 1140, 1444, 1710, 1805, 1994, 2052, 2166, 2565, 2991, 3249, 3420, 3610, 3988, 4332, 4985, 5130, 5415, 5982, 6498, 7220, 8973, 9747, 9970, 10260, 10830, 11964, 12996, 14955, 16245, 17946, 18943, 19494, 19940, 21660, 26919, 29910, 32490, 35892, 37886, 38988, 44865, 48735, 53838, 56829, 59820, 64980, 75772, 89730, 94715, 97470, 107676, 113658, 134595, 170487, 179460, 189430, 194940, 227316, 269190, 284145, 340974, 359917, 378860, 511461, 538380, 568290, 681948, 719834, 852435, 1022922, 1079751, 1136580, 1439668, 1704870, 1799585, 2045844, 2159502, 2557305, 3239253, 3409740, 3599170, 4319004, 5114610, 5398755, 6478506, 7198340, 9717759, 10229220, 10797510, 12957012, 16196265, 19435518, 21595020, 32392530, 38871036, 48588795, 64785060, 97177590, 194355180]

約数ペア:

[(1, 194355180), (2, 97177590), (3, 64785060), (4, 48588795), (5, 38871036), (6, 32392530), (9, 21595020), (10, 19435518), (12, 16196265), (15, 12957012), (18, 10797510), (19, 10229220), (20, 9717759), (27, 7198340), (30, 6478506), (36, 5398755), (38, 5114610), (45, 4319004), (54, 3599170), (57, 3409740), (60, 3239253), (76, 2557305), (90, 2159502), (95, 2045844), (108, 1799585), (114, 1704870), (135, 1439668), (171, 1136580), (180, 1079751), (190, 1022922), (228, 852435), (270, 719834), (285, 681948), (342, 568290), (361, 538380), (380, 511461), (513, 378860), (540, 359917), (570, 340974), (684, 284145), (722, 269190), (855, 227316), (997, 194940), (1026, 189430), (1083, 179460), (1140, 170487), (1444, 134595), (1710, 113658), (1805, 107676), (1994, 97470), (2052, 94715), (2166, 89730), (2565, 75772), (2991, 64980), (3249, 59820), (3420, 56829), (3610, 53838), (3988, 48735), (4332, 44865), (4985, 38988), (5130, 37886), (5415, 35892), (5982, 32490), (6498, 29910), (7220, 26919), (8973, 21660), (9747, 19940), (9970, 19494), (10260, 18943), (10830, 17946), (11964, 16245), (12996, 14955)]