203251970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 390044160

約数和(自身を除く): 186792190

約数列:

[1, 2, 5, 10, 43, 47, 86, 89, 94, 113, 178, 215, 226, 235, 430, 445, 470, 565, 890, 1130, 2021, 3827, 4042, 4183, 4859, 5311, 7654, 8366, 9718, 10057, 10105, 10622, 19135, 20114, 20210, 20915, 24295, 26555, 38270, 41830, 48590, 50285, 53110, 100570, 179869, 228373, 359738, 432451, 456746, 472679, 864902, 899345, 945358, 1141865, 1798690, 2162255, 2283730, 2363395, 4324510, 4726790, 20325197, 40650394, 101625985, 203251970]

約数ペア:

[(1, 203251970), (2, 101625985), (5, 40650394), (10, 20325197), (43, 4726790), (47, 4324510), (86, 2363395), (89, 2283730), (94, 2162255), (113, 1798690), (178, 1141865), (215, 945358), (226, 899345), (235, 864902), (430, 472679), (445, 456746), (470, 432451), (565, 359738), (890, 228373), (1130, 179869), (2021, 100570), (3827, 53110), (4042, 50285), (4183, 48590), (4859, 41830), (5311, 38270), (7654, 26555), (8366, 24295), (9718, 20915), (10057, 20210), (10105, 20114), (10622, 19135)]