290771820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85021}}^1$

素因数の和:85055

約数の個数: 72

約数和(自身を含む): 928440240

約数和(自身を除く): 637668420

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, 85021, 170042, 255063, 340084, 425105, 510126, 765189, 850210, 1020252, 1275315, 1530378, 1615399, 1700420, 2550630, 3060756, 3230798, 3825945, 4846197, 5101260, 6461596, 7651890, 8076995, 9692394, 14538591, 15303780, 16153990, 19384788, 24230985, 29077182, 32307980, 48461970, 58154364, 72692955, 96923940, 145385910, 290771820]

約数ペア:

[(1, 290771820), (2, 145385910), (3, 96923940), (4, 72692955), (5, 58154364), (6, 48461970), (9, 32307980), (10, 29077182), (12, 24230985), (15, 19384788), (18, 16153990), (19, 15303780), (20, 14538591), (30, 9692394), (36, 8076995), (38, 7651890), (45, 6461596), (57, 5101260), (60, 4846197), (76, 3825945), (90, 3230798), (95, 3060756), (114, 2550630), (171, 1700420), (180, 1615399), (190, 1530378), (228, 1275315), (285, 1020252), (342, 850210), (380, 765189), (570, 510126), (684, 425105), (855, 340084), (1140, 255063), (1710, 170042), (3420, 85021)]