931479900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{238841}}^1$

素因数の和:238871

約数の個数: 72

約数和(自身を含む): 2902407984

約数和(自身を除く): 1970928084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 238841, 477682, 716523, 955364, 1194205, 1433046, 2388410, 2866092, 3104933, 3582615, 4776820, 5971025, 6209866, 7165230, 9314799, 11942050, 12419732, 14330460, 15524665, 17913075, 18629598, 23884100, 31049330, 35826150, 37259196, 46573995, 62098660, 71652300, 77623325, 93147990, 155246650, 186295980, 232869975, 310493300, 465739950, 931479900]

約数ペア:

[(1, 931479900), (2, 465739950), (3, 310493300), (4, 232869975), (5, 186295980), (6, 155246650), (10, 93147990), (12, 77623325), (13, 71652300), (15, 62098660), (20, 46573995), (25, 37259196), (26, 35826150), (30, 31049330), (39, 23884100), (50, 18629598), (52, 17913075), (60, 15524665), (65, 14330460), (75, 12419732), (78, 11942050), (100, 9314799), (130, 7165230), (150, 6209866), (156, 5971025), (195, 4776820), (260, 3582615), (300, 3104933), (325, 2866092), (390, 2388410), (650, 1433046), (780, 1194205), (975, 955364), (1300, 716523), (1950, 477682), (3900, 238841)]