63794920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3298

約数の個数: 64

約数和(自身を含む): 166406400

約数和(自身を除く): 102611480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3209, 3976, 4970, 6418, 9940, 12836, 16045, 19880, 22463, 25672, 32090, 44926, 64180, 89852, 112315, 128360, 179704, 224630, 227839, 449260, 455678, 898520, 911356, 1139195, 1594873, 1822712, 2278390, 3189746, 4556780, 6379492, 7974365, 9113560, 12758984, 15948730, 31897460, 63794920]

約数ペア:

[(1, 63794920), (2, 31897460), (4, 15948730), (5, 12758984), (7, 9113560), (8, 7974365), (10, 6379492), (14, 4556780), (20, 3189746), (28, 2278390), (35, 1822712), (40, 1594873), (56, 1139195), (70, 911356), (71, 898520), (140, 455678), (142, 449260), (280, 227839), (284, 224630), (355, 179704), (497, 128360), (568, 112315), (710, 89852), (994, 64180), (1420, 44926), (1988, 32090), (2485, 25672), (2840, 22463), (3209, 19880), (3976, 16045), (4970, 12836), (6418, 9940)]