289365700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 711985680

約数和(自身を除く): 422619980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 61, 65, 82, 89, 100, 122, 130, 164, 178, 205, 244, 260, 305, 325, 356, 410, 445, 533, 610, 650, 793, 820, 890, 1025, 1066, 1157, 1220, 1300, 1525, 1586, 1780, 2050, 2132, 2225, 2314, 2501, 2665, 3050, 3172, 3649, 3965, 4100, 4450, 4628, 5002, 5330, 5429, 5785, 6100, 7298, 7930, 8900, 10004, 10660, 10858, 11570, 12505, 13325, 14596, 15860, 18245, 19825, 21716, 23140, 25010, 26650, 27145, 28925, 32513, 36490, 39650, 47437, 50020, 53300, 54290, 57850, 62525, 65026, 70577, 72980, 79300, 91225, 94874, 108580, 115700, 125050, 130052, 135725, 141154, 162565, 182450, 189748, 222589, 237185, 250100, 271450, 282308, 325130, 352885, 364900, 445178, 474370, 542900, 650260, 705770, 812825, 890356, 948740, 1112945, 1185925, 1411540, 1625650, 1764425, 2225890, 2371850, 2893657, 3251300, 3528850, 4451780, 4743700, 5564725, 5787314, 7057700, 11129450, 11574628, 14468285, 22258900, 28936570, 57873140, 72341425, 144682850, 289365700]

約数ペア:

[(1, 289365700), (2, 144682850), (4, 72341425), (5, 57873140), (10, 28936570), (13, 22258900), (20, 14468285), (25, 11574628), (26, 11129450), (41, 7057700), (50, 5787314), (52, 5564725), (61, 4743700), (65, 4451780), (82, 3528850), (89, 3251300), (100, 2893657), (122, 2371850), (130, 2225890), (164, 1764425), (178, 1625650), (205, 1411540), (244, 1185925), (260, 1112945), (305, 948740), (325, 890356), (356, 812825), (410, 705770), (445, 650260), (533, 542900), (610, 474370), (650, 445178), (793, 364900), (820, 352885), (890, 325130), (1025, 282308), (1066, 271450), (1157, 250100), (1220, 237185), (1300, 222589), (1525, 189748), (1586, 182450), (1780, 162565), (2050, 141154), (2132, 135725), (2225, 130052), (2314, 125050), (2501, 115700), (2665, 108580), (3050, 94874), (3172, 91225), (3649, 79300), (3965, 72980), (4100, 70577), (4450, 65026), (4628, 62525), (5002, 57850), (5330, 54290), (5429, 53300), (5785, 50020), (6100, 47437), (7298, 39650), (7930, 36490), (8900, 32513), (10004, 28925), (10660, 27145), (10858, 26650), (11570, 25010), (12505, 23140), (13325, 21716), (14596, 19825), (15860, 18245)]