78249100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 175488768

約数和(自身を除く): 97239668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 103, 107, 142, 206, 214, 284, 355, 412, 428, 515, 535, 710, 1030, 1070, 1420, 1775, 2060, 2140, 2575, 2675, 3550, 5150, 5350, 7100, 7313, 7597, 10300, 10700, 11021, 14626, 15194, 22042, 29252, 30388, 36565, 37985, 44084, 55105, 73130, 75970, 110210, 146260, 151940, 182825, 189925, 220420, 275525, 365650, 379850, 551050, 731300, 759700, 782491, 1102100, 1564982, 3129964, 3912455, 7824910, 15649820, 19562275, 39124550, 78249100]

約数ペア:

[(1, 78249100), (2, 39124550), (4, 19562275), (5, 15649820), (10, 7824910), (20, 3912455), (25, 3129964), (50, 1564982), (71, 1102100), (100, 782491), (103, 759700), (107, 731300), (142, 551050), (206, 379850), (214, 365650), (284, 275525), (355, 220420), (412, 189925), (428, 182825), (515, 151940), (535, 146260), (710, 110210), (1030, 75970), (1070, 73130), (1420, 55105), (1775, 44084), (2060, 37985), (2140, 36565), (2575, 30388), (2675, 29252), (3550, 22042), (5150, 15194), (5350, 14626), (7100, 11021), (7313, 10700), (7597, 10300)]