388660650

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{52879}}^1$

素因数の和:52908

約数の個数: 72

約数和(自身を含む): 1121267520

約数和(自身を除く): 732606870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 98, 105, 147, 150, 175, 210, 245, 294, 350, 490, 525, 735, 1050, 1225, 1470, 2450, 3675, 7350, 52879, 105758, 158637, 264395, 317274, 370153, 528790, 740306, 793185, 1110459, 1321975, 1586370, 1850765, 2220918, 2591071, 2643950, 3701530, 3965925, 5182142, 5552295, 7773213, 7931850, 9253825, 11104590, 12955355, 15546426, 18507650, 25910710, 27761475, 38866065, 55522950, 64776775, 77732130, 129553550, 194330325, 388660650]

約数ペア:

[(1, 388660650), (2, 194330325), (3, 129553550), (5, 77732130), (6, 64776775), (7, 55522950), (10, 38866065), (14, 27761475), (15, 25910710), (21, 18507650), (25, 15546426), (30, 12955355), (35, 11104590), (42, 9253825), (49, 7931850), (50, 7773213), (70, 5552295), (75, 5182142), (98, 3965925), (105, 3701530), (147, 2643950), (150, 2591071), (175, 2220918), (210, 1850765), (245, 1586370), (294, 1321975), (350, 1110459), (490, 793185), (525, 740306), (735, 528790), (1050, 370153), (1225, 317274), (1470, 264395), (2450, 158637), (3675, 105758), (7350, 52879)]