388748100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{99679}}^1$

素因数の和:99709

約数の個数: 72

約数和(自身を含む): 1211311360

約数和(自身を除く): 822563260

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, 99679, 199358, 299037, 398716, 498395, 598074, 996790, 1196148, 1295827, 1495185, 1993580, 2491975, 2591654, 2990370, 3887481, 4983950, 5183308, 5980740, 6479135, 7475925, 7774962, 9967900, 12958270, 14951850, 15549924, 19437405, 25916540, 29903700, 32395675, 38874810, 64791350, 77749620, 97187025, 129582700, 194374050, 388748100]

約数ペア:

[(1, 388748100), (2, 194374050), (3, 129582700), (4, 97187025), (5, 77749620), (6, 64791350), (10, 38874810), (12, 32395675), (13, 29903700), (15, 25916540), (20, 19437405), (25, 15549924), (26, 14951850), (30, 12958270), (39, 9967900), (50, 7774962), (52, 7475925), (60, 6479135), (65, 5980740), (75, 5183308), (78, 4983950), (100, 3887481), (130, 2990370), (150, 2591654), (156, 2491975), (195, 1993580), (260, 1495185), (300, 1295827), (325, 1196148), (390, 996790), (650, 598074), (780, 498395), (975, 398716), (1300, 299037), (1950, 199358), (3900, 99679)]