31723900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 77432544

約数和(自身を除く): 45708644

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 25, 26, 46, 50, 52, 65, 92, 100, 115, 130, 230, 260, 299, 325, 460, 575, 598, 650, 1061, 1150, 1196, 1300, 1495, 2122, 2300, 2990, 4244, 5305, 5980, 7475, 10610, 13793, 14950, 21220, 24403, 26525, 27586, 29900, 48806, 53050, 55172, 68965, 97612, 106100, 122015, 137930, 244030, 275860, 317239, 344825, 488060, 610075, 634478, 689650, 1220150, 1268956, 1379300, 1586195, 2440300, 3172390, 6344780, 7930975, 15861950, 31723900]

約数ペア:

[(1, 31723900), (2, 15861950), (4, 7930975), (5, 6344780), (10, 3172390), (13, 2440300), (20, 1586195), (23, 1379300), (25, 1268956), (26, 1220150), (46, 689650), (50, 634478), (52, 610075), (65, 488060), (92, 344825), (100, 317239), (115, 275860), (130, 244030), (230, 137930), (260, 122015), (299, 106100), (325, 97612), (460, 68965), (575, 55172), (598, 53050), (650, 48806), (1061, 29900), (1150, 27586), (1196, 26525), (1300, 24403), (1495, 21220), (2122, 14950), (2300, 13793), (2990, 10610), (4244, 7475), (5305, 5980)]