1027720120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{524347}}^1$

素因数の和:524372

約数の個数: 48

約数和(自身を含む): 2689905240

約数和(自身を除く): 1662185120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 524347, 1048694, 2097388, 2621735, 3670429, 4194776, 5243470, 7340858, 10486940, 14681716, 18352145, 20973880, 25693003, 29363432, 36704290, 51386006, 73408580, 102772012, 128465015, 146817160, 205544024, 256930030, 513860060, 1027720120]

約数ペア:

[(1, 1027720120), (2, 513860060), (4, 256930030), (5, 205544024), (7, 146817160), (8, 128465015), (10, 102772012), (14, 73408580), (20, 51386006), (28, 36704290), (35, 29363432), (40, 25693003), (49, 20973880), (56, 18352145), (70, 14681716), (98, 10486940), (140, 7340858), (196, 5243470), (245, 4194776), (280, 3670429), (392, 2621735), (490, 2097388), (980, 1048694), (1960, 524347)]