163939400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 402027840

約数和(自身を除く): 238088440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 157, 184, 200, 227, 230, 314, 454, 460, 575, 628, 785, 908, 920, 1135, 1150, 1256, 1570, 1816, 2270, 2300, 3140, 3611, 3925, 4540, 4600, 5221, 5675, 6280, 7222, 7850, 9080, 10442, 11350, 14444, 15700, 18055, 20884, 22700, 26105, 28888, 31400, 35639, 36110, 41768, 45400, 52210, 71278, 72220, 90275, 104420, 130525, 142556, 144440, 178195, 180550, 208840, 261050, 285112, 356390, 361100, 522100, 712780, 722200, 819697, 890975, 1044200, 1425560, 1639394, 1781950, 3278788, 3563900, 4098485, 6557576, 7127800, 8196970, 16393940, 20492425, 32787880, 40984850, 81969700, 163939400]

約数ペア:

[(1, 163939400), (2, 81969700), (4, 40984850), (5, 32787880), (8, 20492425), (10, 16393940), (20, 8196970), (23, 7127800), (25, 6557576), (40, 4098485), (46, 3563900), (50, 3278788), (92, 1781950), (100, 1639394), (115, 1425560), (157, 1044200), (184, 890975), (200, 819697), (227, 722200), (230, 712780), (314, 522100), (454, 361100), (460, 356390), (575, 285112), (628, 261050), (785, 208840), (908, 180550), (920, 178195), (1135, 144440), (1150, 142556), (1256, 130525), (1570, 104420), (1816, 90275), (2270, 72220), (2300, 71278), (3140, 52210), (3611, 45400), (3925, 41768), (4540, 36110), (4600, 35639), (5221, 31400), (5675, 28888), (6280, 26105), (7222, 22700), (7850, 20884), (9080, 18055), (10442, 15700), (11350, 14444)]