1994172880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3561023}}^1$

素因数の和:3561043

約数の個数: 40

約数和(自身を含む): 5298803712

約数和(自身を除く): 3304630832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3561023, 7122046, 14244092, 17805115, 24927161, 28488184, 35610230, 49854322, 56976368, 71220460, 99708644, 124635805, 142440920, 199417288, 249271610, 284881840, 398834576, 498543220, 997086440, 1994172880]

約数ペア:

[(1, 1994172880), (2, 997086440), (4, 498543220), (5, 398834576), (7, 284881840), (8, 249271610), (10, 199417288), (14, 142440920), (16, 124635805), (20, 99708644), (28, 71220460), (35, 56976368), (40, 49854322), (56, 35610230), (70, 28488184), (80, 24927161), (112, 17805115), (140, 14244092), (280, 7122046), (560, 3561023)]