28328300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 82828032

約数和(自身を除く): 54499732

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 283, 286, 308, 325, 350, 364, 385, 455, 550, 566, 572, 650, 700, 715, 770, 910, 1001, 1100, 1132, 1300, 1415, 1430, 1540, 1820, 1925, 1981, 2002, 2275, 2830, 2860, 3113, 3575, 3679, 3850, 3962, 4004, 4550, 5005, 5660, 6226, 7075, 7150, 7358, 7700, 7924, 9100, 9905, 10010, 12452, 14150, 14300, 14716, 15565, 18395, 19810, 20020, 21791, 25025, 25753, 28300, 31130, 36790, 39620, 40469, 43582, 49525, 50050, 51506, 62260, 73580, 77825, 80938, 87164, 91975, 99050, 100100, 103012, 108955, 128765, 155650, 161876, 183950, 198100, 202345, 217910, 257530, 283283, 311300, 367900, 404690, 435820, 515060, 544775, 566566, 643825, 809380, 1011725, 1089550, 1133132, 1287650, 1416415, 2023450, 2179100, 2575300, 2832830, 4046900, 5665660, 7082075, 14164150, 28328300]

約数ペア:

[(1, 28328300), (2, 14164150), (4, 7082075), (5, 5665660), (7, 4046900), (10, 2832830), (11, 2575300), (13, 2179100), (14, 2023450), (20, 1416415), (22, 1287650), (25, 1133132), (26, 1089550), (28, 1011725), (35, 809380), (44, 643825), (50, 566566), (52, 544775), (55, 515060), (65, 435820), (70, 404690), (77, 367900), (91, 311300), (100, 283283), (110, 257530), (130, 217910), (140, 202345), (143, 198100), (154, 183950), (175, 161876), (182, 155650), (220, 128765), (260, 108955), (275, 103012), (283, 100100), (286, 99050), (308, 91975), (325, 87164), (350, 80938), (364, 77825), (385, 73580), (455, 62260), (550, 51506), (566, 50050), (572, 49525), (650, 43582), (700, 40469), (715, 39620), (770, 36790), (910, 31130), (1001, 28300), (1100, 25753), (1132, 25025), (1300, 21791), (1415, 20020), (1430, 19810), (1540, 18395), (1820, 15565), (1925, 14716), (1981, 14300), (2002, 14150), (2275, 12452), (2830, 10010), (2860, 9905), (3113, 9100), (3575, 7924), (3679, 7700), (3850, 7358), (3962, 7150), (4004, 7075), (4550, 6226), (5005, 5660)]