306435740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7507}}^1$

素因数の和:7686

約数の個数: 48

約数和(自身を含む): 697523232

約数和(自身を除く): 391087492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 7507, 8164, 10205, 15014, 20410, 30028, 37535, 40820, 75070, 97591, 150140, 195182, 390364, 487955, 975910, 1178599, 1951820, 2357198, 4714396, 5892995, 11785990, 15321787, 23571980, 30643574, 61287148, 76608935, 153217870, 306435740]

約数ペア:

[(1, 306435740), (2, 153217870), (4, 76608935), (5, 61287148), (10, 30643574), (13, 23571980), (20, 15321787), (26, 11785990), (52, 5892995), (65, 4714396), (130, 2357198), (157, 1951820), (260, 1178599), (314, 975910), (628, 487955), (785, 390364), (1570, 195182), (2041, 150140), (3140, 97591), (4082, 75070), (7507, 40820), (8164, 37535), (10205, 30028), (15014, 20410)]