156962500

素因数分解:

$2^2\times 5^5\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:491

約数の個数: 72

約数和(自身を含む): 355992840

約数和(自身を除く): 199030340

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 125, 145, 250, 290, 433, 500, 580, 625, 725, 866, 1250, 1450, 1732, 2165, 2500, 2900, 3125, 3625, 4330, 6250, 7250, 8660, 10825, 12500, 12557, 14500, 18125, 21650, 25114, 36250, 43300, 50228, 54125, 62785, 72500, 90625, 108250, 125570, 181250, 216500, 251140, 270625, 313925, 362500, 541250, 627850, 1082500, 1255700, 1353125, 1569625, 2706250, 3139250, 5412500, 6278500, 7848125, 15696250, 31392500, 39240625, 78481250, 156962500]

約数ペア:

[(1, 156962500), (2, 78481250), (4, 39240625), (5, 31392500), (10, 15696250), (20, 7848125), (25, 6278500), (29, 5412500), (50, 3139250), (58, 2706250), (100, 1569625), (116, 1353125), (125, 1255700), (145, 1082500), (250, 627850), (290, 541250), (433, 362500), (500, 313925), (580, 270625), (625, 251140), (725, 216500), (866, 181250), (1250, 125570), (1450, 108250), (1732, 90625), (2165, 72500), (2500, 62785), (2900, 54125), (3125, 50228), (3625, 43300), (4330, 36250), (6250, 25114), (7250, 21650), (8660, 18125), (10825, 14500), (12500, 12557)]