420211610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1$

素因数の和:1248

約数の個数: 128

約数和(自身を含む): 1029417984

約数和(自身を除く): 609206374

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 23, 26, 34, 35, 46, 65, 70, 85, 91, 115, 119, 130, 161, 170, 182, 221, 230, 238, 299, 322, 391, 442, 455, 595, 598, 782, 805, 910, 1105, 1181, 1190, 1495, 1547, 1610, 1955, 2093, 2210, 2362, 2737, 2990, 3094, 3910, 4186, 5083, 5474, 5905, 7735, 8267, 10166, 10465, 11810, 13685, 15353, 15470, 16534, 20077, 20930, 25415, 27163, 27370, 30706, 35581, 40154, 41335, 50830, 54326, 71162, 76765, 82670, 100385, 107471, 135815, 140539, 153530, 177905, 190141, 200770, 214942, 261001, 271630, 281078, 353119, 355810, 380282, 461771, 522002, 537355, 702695, 706238, 923542, 950705, 1074710, 1305005, 1405390, 1765595, 1827007, 1901410, 2308855, 2471833, 2610010, 3232397, 3531190, 3654014, 4617710, 4943666, 6003023, 6464794, 9135035, 12006046, 12359165, 16161985, 18270070, 24718330, 30015115, 32323970, 42021161, 60030230, 84042322, 210105805, 420211610]

約数ペア:

[(1, 420211610), (2, 210105805), (5, 84042322), (7, 60030230), (10, 42021161), (13, 32323970), (14, 30015115), (17, 24718330), (23, 18270070), (26, 16161985), (34, 12359165), (35, 12006046), (46, 9135035), (65, 6464794), (70, 6003023), (85, 4943666), (91, 4617710), (115, 3654014), (119, 3531190), (130, 3232397), (161, 2610010), (170, 2471833), (182, 2308855), (221, 1901410), (230, 1827007), (238, 1765595), (299, 1405390), (322, 1305005), (391, 1074710), (442, 950705), (455, 923542), (595, 706238), (598, 702695), (782, 537355), (805, 522002), (910, 461771), (1105, 380282), (1181, 355810), (1190, 353119), (1495, 281078), (1547, 271630), (1610, 261001), (1955, 214942), (2093, 200770), (2210, 190141), (2362, 177905), (2737, 153530), (2990, 140539), (3094, 135815), (3910, 107471), (4186, 100385), (5083, 82670), (5474, 76765), (5905, 71162), (7735, 54326), (8267, 50830), (10166, 41335), (10465, 40154), (11810, 35581), (13685, 30706), (15353, 27370), (15470, 27163), (16534, 25415), (20077, 20930)]