About the Number
2008402780
2進数表記:1110111101101011100101101011100
漢数字表記:二十億八百四十万二千七百八十
素因数分解:
素因数の和:3379
約数の個数: 96
約数和(自身を含む): 4720343040
約数和(自身を除く): 2711940260
約数列:
[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 79, 85, 92, 115, 158, 170, 230, 316, 340, 391, 395, 460, 782, 790, 1343, 1564, 1580, 1817, 1955, 2686, 3251, 3634, 3910, 5372, 6502, 6715, 7268, 7820, 9085, 13004, 13430, 16255, 18170, 26860, 30889, 32510, 36340, 55267, 61778, 65020, 74773, 110534, 123556, 149546, 154445, 221068, 256829, 276335, 299092, 308890, 373865, 513658, 552670, 617780, 747730, 1027316, 1105340, 1271141, 1284145, 1495460, 2542282, 2568290, 4366093, 5084564, 5136580, 5907067, 6355705, 8732186, 11814134, 12711410, 17464372, 21830465, 23628268, 25422820, 29535335, 43660930, 59070670, 87321860, 100420139, 118141340, 200840278, 401680556, 502100695, 1004201390, 2008402780]
約数ペア:
[(1, 2008402780), (2, 1004201390), (4, 502100695), (5, 401680556), (10, 200840278), (17, 118141340), (20, 100420139), (23, 87321860), (34, 59070670), (46, 43660930), (68, 29535335), (79, 25422820), (85, 23628268), (92, 21830465), (115, 17464372), (158, 12711410), (170, 11814134), (230, 8732186), (316, 6355705), (340, 5907067), (391, 5136580), (395, 5084564), (460, 4366093), (782, 2568290), (790, 2542282), (1343, 1495460), (1564, 1284145), (1580, 1271141), (1817, 1105340), (1955, 1027316), (2686, 747730), (3251, 617780), (3634, 552670), (3910, 513658), (5372, 373865), (6502, 308890), (6715, 299092), (7268, 276335), (7820, 256829), (9085, 221068), (13004, 154445), (13430, 149546), (16255, 123556), (18170, 110534), (26860, 74773), (30889, 65020), (32510, 61778), (36340, 55267)]このpageの処理時間: 0.012916326522827148 seconds