About the Number
28977480
2進数表記:1101110100010100101001000
漢数字表記:二千八百九十七万七千四百八十
素因数分解:
素因数の和:3860
約数の個数: 128
約数和(自身を含む): 110419200
約数和(自身を除く): 81441720
約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 3833, 7560, 7666, 11499, 15332, 19165, 22998, 26831, 30664, 34497, 38330, 45996, 53662, 57495, 68994, 76660, 80493, 91992, 103491, 107324, 114990, 134155, 137988, 153320, 160986, 172485, 206982, 214648, 229980, 241479, 268310, 275976, 321972, 344970, 402465, 413964, 459960, 482958, 517455, 536620, 643944, 689940, 724437, 804930, 827928, 965916, 1034910, 1073240, 1207395, 1379880, 1448874, 1609860, 1931832, 2069820, 2414790, 2897748, 3219720, 3622185, 4139640, 4829580, 5795496, 7244370, 9659160, 14488740, 28977480]
約数ペア:
[(1, 28977480), (2, 14488740), (3, 9659160), (4, 7244370), (5, 5795496), (6, 4829580), (7, 4139640), (8, 3622185), (9, 3219720), (10, 2897748), (12, 2414790), (14, 2069820), (15, 1931832), (18, 1609860), (20, 1448874), (21, 1379880), (24, 1207395), (27, 1073240), (28, 1034910), (30, 965916), (35, 827928), (36, 804930), (40, 724437), (42, 689940), (45, 643944), (54, 536620), (56, 517455), (60, 482958), (63, 459960), (70, 413964), (72, 402465), (84, 344970), (90, 321972), (105, 275976), (108, 268310), (120, 241479), (126, 229980), (135, 214648), (140, 206982), (168, 172485), (180, 160986), (189, 153320), (210, 137988), (216, 134155), (252, 114990), (270, 107324), (280, 103491), (315, 91992), (360, 80493), (378, 76660), (420, 68994), (504, 57495), (540, 53662), (630, 45996), (756, 38330), (840, 34497), (945, 30664), (1080, 26831), (1260, 22998), (1512, 19165), (1890, 15332), (2520, 11499), (3780, 7666), (3833, 7560)]このpageの処理時間: 0.12146496772766113 seconds