420205184

素因数分解:

$2^7\times 7^3\times {\mathrm{17}}^1\times {\mathrm{563}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 1035504000

約数和(自身を除く): 615298816

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 196, 224, 238, 272, 343, 392, 448, 476, 544, 563, 686, 784, 833, 896, 952, 1088, 1126, 1372, 1568, 1666, 1904, 2176, 2252, 2744, 3136, 3332, 3808, 3941, 4504, 5488, 5831, 6272, 6664, 7616, 7882, 9008, 9571, 10976, 11662, 13328, 15232, 15764, 18016, 19142, 21952, 23324, 26656, 27587, 31528, 36032, 38284, 43904, 46648, 53312, 55174, 63056, 66997, 72064, 76568, 93296, 106624, 110348, 126112, 133994, 153136, 186592, 193109, 220696, 252224, 267988, 306272, 373184, 386218, 441392, 468979, 504448, 535976, 612544, 746368, 772436, 882784, 937958, 1071952, 1225088, 1544872, 1765568, 1875916, 2143904, 3089744, 3282853, 3531136, 3751832, 4287808, 6179488, 6565706, 7503664, 8575616, 12358976, 13131412, 15007328, 24717952, 26262824, 30014656, 52525648, 60029312, 105051296, 210102592, 420205184]

約数ペア:

[(1, 420205184), (2, 210102592), (4, 105051296), (7, 60029312), (8, 52525648), (14, 30014656), (16, 26262824), (17, 24717952), (28, 15007328), (32, 13131412), (34, 12358976), (49, 8575616), (56, 7503664), (64, 6565706), (68, 6179488), (98, 4287808), (112, 3751832), (119, 3531136), (128, 3282853), (136, 3089744), (196, 2143904), (224, 1875916), (238, 1765568), (272, 1544872), (343, 1225088), (392, 1071952), (448, 937958), (476, 882784), (544, 772436), (563, 746368), (686, 612544), (784, 535976), (833, 504448), (896, 468979), (952, 441392), (1088, 386218), (1126, 373184), (1372, 306272), (1568, 267988), (1666, 252224), (1904, 220696), (2176, 193109), (2252, 186592), (2744, 153136), (3136, 133994), (3332, 126112), (3808, 110348), (3941, 106624), (4504, 93296), (5488, 76568), (5831, 72064), (6272, 66997), (6664, 63056), (7616, 55174), (7882, 53312), (9008, 46648), (9571, 43904), (10976, 38284), (11662, 36032), (13328, 31528), (15232, 27587), (15764, 26656), (18016, 23324), (19142, 21952)]