320438300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 144

約数和(自身を含む): 893609472

約数和(自身を除く): 573171172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 25, 26, 28, 35, 46, 50, 52, 65, 70, 91, 92, 100, 115, 130, 140, 161, 175, 182, 230, 260, 299, 322, 325, 350, 364, 455, 460, 575, 598, 644, 650, 700, 805, 910, 1150, 1196, 1300, 1495, 1531, 1610, 1820, 2093, 2275, 2300, 2990, 3062, 3220, 4025, 4186, 4550, 5980, 6124, 7475, 7655, 8050, 8372, 9100, 10465, 10717, 14950, 15310, 16100, 19903, 20930, 21434, 29900, 30620, 35213, 38275, 39806, 41860, 42868, 52325, 53585, 70426, 76550, 79612, 99515, 104650, 107170, 139321, 140852, 153100, 176065, 199030, 209300, 214340, 246491, 267925, 278642, 352130, 398060, 457769, 492982, 497575, 535850, 557284, 696605, 704260, 880325, 915538, 985964, 995150, 1071700, 1232455, 1393210, 1760650, 1831076, 1990300, 2288845, 2464910, 2786420, 3204383, 3483025, 3521300, 4577690, 4929820, 6162275, 6408766, 6966050, 9155380, 11444225, 12324550, 12817532, 13932100, 16021915, 22888450, 24649100, 32043830, 45776900, 64087660, 80109575, 160219150, 320438300]

約数ペア:

[(1, 320438300), (2, 160219150), (4, 80109575), (5, 64087660), (7, 45776900), (10, 32043830), (13, 24649100), (14, 22888450), (20, 16021915), (23, 13932100), (25, 12817532), (26, 12324550), (28, 11444225), (35, 9155380), (46, 6966050), (50, 6408766), (52, 6162275), (65, 4929820), (70, 4577690), (91, 3521300), (92, 3483025), (100, 3204383), (115, 2786420), (130, 2464910), (140, 2288845), (161, 1990300), (175, 1831076), (182, 1760650), (230, 1393210), (260, 1232455), (299, 1071700), (322, 995150), (325, 985964), (350, 915538), (364, 880325), (455, 704260), (460, 696605), (575, 557284), (598, 535850), (644, 497575), (650, 492982), (700, 457769), (805, 398060), (910, 352130), (1150, 278642), (1196, 267925), (1300, 246491), (1495, 214340), (1531, 209300), (1610, 199030), (1820, 176065), (2093, 153100), (2275, 140852), (2300, 139321), (2990, 107170), (3062, 104650), (3220, 99515), (4025, 79612), (4186, 76550), (4550, 70426), (5980, 53585), (6124, 52325), (7475, 42868), (7655, 41860), (8050, 39806), (8372, 38275), (9100, 35213), (10465, 30620), (10717, 29900), (14950, 21434), (15310, 20930), (16100, 19903)]