81689650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7529}}^1$

素因数の和:7579

約数の個数: 48

約数和(自身を含む): 179274240

約数和(自身を除く): 97584590

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 434, 775, 1085, 1550, 2170, 5425, 7529, 10850, 15058, 37645, 52703, 75290, 105406, 188225, 233399, 263515, 376450, 466798, 527030, 1166995, 1317575, 1633793, 2333990, 2635150, 3267586, 5834975, 8168965, 11669950, 16337930, 40844825, 81689650]

約数ペア:

[(1, 81689650), (2, 40844825), (5, 16337930), (7, 11669950), (10, 8168965), (14, 5834975), (25, 3267586), (31, 2635150), (35, 2333990), (50, 1633793), (62, 1317575), (70, 1166995), (155, 527030), (175, 466798), (217, 376450), (310, 263515), (350, 233399), (434, 188225), (775, 105406), (1085, 75290), (1550, 52703), (2170, 37645), (5425, 15058), (7529, 10850)]