320425950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{164321}}^1$

素因数の和:164349

約数の個数: 48

約数和(自身を含む): 855788976

約数和(自身を除く): 535363026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 195, 325, 390, 650, 975, 1950, 164321, 328642, 492963, 821605, 985926, 1643210, 2136173, 2464815, 4108025, 4272346, 4929630, 6408519, 8216050, 10680865, 12324075, 12817038, 21361730, 24648150, 32042595, 53404325, 64085190, 106808650, 160212975, 320425950]

約数ペア:

[(1, 320425950), (2, 160212975), (3, 106808650), (5, 64085190), (6, 53404325), (10, 32042595), (13, 24648150), (15, 21361730), (25, 12817038), (26, 12324075), (30, 10680865), (39, 8216050), (50, 6408519), (65, 4929630), (75, 4272346), (78, 4108025), (130, 2464815), (150, 2136173), (195, 1643210), (325, 985926), (390, 821605), (650, 492963), (975, 328642), (1950, 164321)]