398741220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3826

約数の個数: 144

約数和(自身を含む): 1314593280

約数和(自身を除く): 915852060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2790, 2945, 3420, 3534, 3761, 5301, 5580, 5890, 7068, 7522, 8835, 10602, 11283, 11780, 15044, 17670, 18805, 21204, 22566, 26505, 33849, 35340, 37610, 45132, 53010, 56415, 67698, 71459, 75220, 106020, 112830, 116591, 135396, 142918, 169245, 214377, 225660, 233182, 285836, 338490, 349773, 357295, 428754, 466364, 582955, 643131, 676980, 699546, 714590, 857508, 1049319, 1071885, 1165910, 1286262, 1399092, 1429180, 1748865, 2098638, 2143770, 2215229, 2331820, 2572524, 3215655, 3497730, 4197276, 4287540, 4430458, 5246595, 6431310, 6645687, 6995460, 8860916, 10493190, 11076145, 12862620, 13291374, 19937061, 20986380, 22152290, 26582748, 33228435, 39874122, 44304580, 66456870, 79748244, 99685305, 132913740, 199370610, 398741220]

約数ペア:

[(1, 398741220), (2, 199370610), (3, 132913740), (4, 99685305), (5, 79748244), (6, 66456870), (9, 44304580), (10, 39874122), (12, 33228435), (15, 26582748), (18, 22152290), (19, 20986380), (20, 19937061), (30, 13291374), (31, 12862620), (36, 11076145), (38, 10493190), (45, 8860916), (57, 6995460), (60, 6645687), (62, 6431310), (76, 5246595), (90, 4430458), (93, 4287540), (95, 4197276), (114, 3497730), (124, 3215655), (155, 2572524), (171, 2331820), (180, 2215229), (186, 2143770), (190, 2098638), (228, 1748865), (279, 1429180), (285, 1399092), (310, 1286262), (342, 1165910), (372, 1071885), (380, 1049319), (465, 857508), (558, 714590), (570, 699546), (589, 676980), (620, 643131), (684, 582955), (855, 466364), (930, 428754), (1116, 357295), (1140, 349773), (1178, 338490), (1395, 285836), (1710, 233182), (1767, 225660), (1860, 214377), (2356, 169245), (2790, 142918), (2945, 135396), (3420, 116591), (3534, 112830), (3761, 106020), (5301, 75220), (5580, 71459), (5890, 67698), (7068, 56415), (7522, 53010), (8835, 45132), (10602, 37610), (11283, 35340), (11780, 33849), (15044, 26505), (17670, 22566), (18805, 21204)]