389628590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1483}}^1$

素因数の和:1593

約数の個数: 64

約数和(自身を含む): 789820416

約数和(自身を除く): 400191826

約数列:

[1, 2, 5, 10, 13, 26, 43, 47, 65, 86, 94, 130, 215, 235, 430, 470, 559, 611, 1118, 1222, 1483, 2021, 2795, 2966, 3055, 4042, 5590, 6110, 7415, 10105, 14830, 19279, 20210, 26273, 38558, 52546, 63769, 69701, 96395, 127538, 131365, 139402, 192790, 262730, 318845, 348505, 637690, 697010, 828997, 906113, 1657994, 1812226, 2997143, 4144985, 4530565, 5994286, 8289970, 9061130, 14985715, 29971430, 38962859, 77925718, 194814295, 389628590]

約数ペア:

[(1, 389628590), (2, 194814295), (5, 77925718), (10, 38962859), (13, 29971430), (26, 14985715), (43, 9061130), (47, 8289970), (65, 5994286), (86, 4530565), (94, 4144985), (130, 2997143), (215, 1812226), (235, 1657994), (430, 906113), (470, 828997), (559, 697010), (611, 637690), (1118, 348505), (1222, 318845), (1483, 262730), (2021, 192790), (2795, 139402), (2966, 131365), (3055, 127538), (4042, 96395), (5590, 69701), (6110, 63769), (7415, 52546), (10105, 38558), (14830, 26273), (19279, 20210)]