19709100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:440

約数の個数: 108

約数和(自身を含む): 62964720

約数和(自身を除く): 43255620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 150, 180, 183, 225, 244, 300, 305, 359, 366, 450, 549, 610, 718, 732, 900, 915, 1077, 1098, 1220, 1436, 1525, 1795, 1830, 2154, 2196, 2745, 3050, 3231, 3590, 3660, 4308, 4575, 5385, 5490, 6100, 6462, 7180, 8975, 9150, 10770, 10980, 12924, 13725, 16155, 17950, 18300, 21540, 21899, 26925, 27450, 32310, 35900, 43798, 53850, 54900, 64620, 65697, 80775, 87596, 107700, 109495, 131394, 161550, 197091, 218990, 262788, 323100, 328485, 394182, 437980, 547475, 656970, 788364, 985455, 1094950, 1313940, 1642425, 1970910, 2189900, 3284850, 3941820, 4927275, 6569700, 9854550, 19709100]

約数ペア:

[(1, 19709100), (2, 9854550), (3, 6569700), (4, 4927275), (5, 3941820), (6, 3284850), (9, 2189900), (10, 1970910), (12, 1642425), (15, 1313940), (18, 1094950), (20, 985455), (25, 788364), (30, 656970), (36, 547475), (45, 437980), (50, 394182), (60, 328485), (61, 323100), (75, 262788), (90, 218990), (100, 197091), (122, 161550), (150, 131394), (180, 109495), (183, 107700), (225, 87596), (244, 80775), (300, 65697), (305, 64620), (359, 54900), (366, 53850), (450, 43798), (549, 35900), (610, 32310), (718, 27450), (732, 26925), (900, 21899), (915, 21540), (1077, 18300), (1098, 17950), (1220, 16155), (1436, 13725), (1525, 12924), (1795, 10980), (1830, 10770), (2154, 9150), (2196, 8975), (2745, 7180), (3050, 6462), (3231, 6100), (3590, 5490), (3660, 5385), (4308, 4575)]