291212350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{241}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 642771360

約数和(自身を除く): 351559010

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 169, 241, 275, 286, 325, 338, 482, 550, 650, 715, 845, 1205, 1430, 1690, 1859, 2197, 2410, 2651, 3133, 3575, 3718, 4225, 4394, 5302, 6025, 6266, 7150, 8450, 9295, 10985, 12050, 13255, 15665, 18590, 21970, 24167, 26510, 31330, 34463, 40729, 46475, 48334, 54925, 66275, 68926, 78325, 81458, 92950, 109850, 120835, 132550, 156650, 172315, 203645, 241670, 344630, 407290, 448019, 529477, 604175, 861575, 896038, 1018225, 1058954, 1208350, 1723150, 2036450, 2240095, 2647385, 4480190, 5294770, 5824247, 11200475, 11648494, 13236925, 22400950, 26473850, 29121235, 58242470, 145606175, 291212350]

約数ペア:

[(1, 291212350), (2, 145606175), (5, 58242470), (10, 29121235), (11, 26473850), (13, 22400950), (22, 13236925), (25, 11648494), (26, 11200475), (50, 5824247), (55, 5294770), (65, 4480190), (110, 2647385), (130, 2240095), (143, 2036450), (169, 1723150), (241, 1208350), (275, 1058954), (286, 1018225), (325, 896038), (338, 861575), (482, 604175), (550, 529477), (650, 448019), (715, 407290), (845, 344630), (1205, 241670), (1430, 203645), (1690, 172315), (1859, 156650), (2197, 132550), (2410, 120835), (2651, 109850), (3133, 92950), (3575, 81458), (3718, 78325), (4225, 68926), (4394, 66275), (5302, 54925), (6025, 48334), (6266, 46475), (7150, 40729), (8450, 34463), (9295, 31330), (10985, 26510), (12050, 24167), (13255, 21970), (15665, 18590)]