30389380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1657}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 73535616

約数和(自身を除く): 43146236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1657, 1834, 2620, 3314, 3668, 4585, 6628, 8285, 9170, 11599, 16570, 18340, 23198, 33140, 46396, 57995, 115990, 217067, 231980, 434134, 868268, 1085335, 1519469, 2170670, 3038938, 4341340, 6077876, 7597345, 15194690, 30389380]

約数ペア:

[(1, 30389380), (2, 15194690), (4, 7597345), (5, 6077876), (7, 4341340), (10, 3038938), (14, 2170670), (20, 1519469), (28, 1085335), (35, 868268), (70, 434134), (131, 231980), (140, 217067), (262, 115990), (524, 57995), (655, 46396), (917, 33140), (1310, 23198), (1657, 18340), (1834, 16570), (2620, 11599), (3314, 9170), (3668, 8285), (4585, 6628)]