30421888

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1827

約数の個数: 64

約数和(自身を含む): 72950400

約数和(自身を除く): 42528512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 1787, 2128, 2432, 3574, 4256, 7148, 8512, 12509, 14296, 17024, 25018, 28592, 33953, 50036, 57184, 67906, 100072, 114368, 135812, 200144, 228736, 237671, 271624, 400288, 475342, 543248, 800576, 950684, 1086496, 1601152, 1901368, 2172992, 3802736, 4345984, 7605472, 15210944, 30421888]

約数ペア:

[(1, 30421888), (2, 15210944), (4, 7605472), (7, 4345984), (8, 3802736), (14, 2172992), (16, 1901368), (19, 1601152), (28, 1086496), (32, 950684), (38, 800576), (56, 543248), (64, 475342), (76, 400288), (112, 271624), (128, 237671), (133, 228736), (152, 200144), (224, 135812), (266, 114368), (304, 100072), (448, 67906), (532, 57184), (608, 50036), (896, 33953), (1064, 28592), (1216, 25018), (1787, 17024), (2128, 14296), (2432, 12509), (3574, 8512), (4256, 7148)]