28488460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1423}}^1$

素因数の和:1463

約数の個数: 96

約数和(自身を含む): 80381952

約数和(自身を除く): 51893492

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1423, 1430, 1540, 1820, 2002, 2846, 2860, 4004, 5005, 5692, 7115, 9961, 10010, 14230, 15653, 18499, 19922, 20020, 28460, 31306, 36998, 39844, 49805, 62612, 73996, 78265, 92495, 99610, 109571, 129493, 156530, 184990, 199220, 203489, 219142, 258986, 313060, 369980, 406978, 438284, 517972, 547855, 647465, 813956, 1017445, 1095710, 1294930, 1424423, 2034890, 2191420, 2589860, 2848846, 4069780, 5697692, 7122115, 14244230, 28488460]

約数ペア:

[(1, 28488460), (2, 14244230), (4, 7122115), (5, 5697692), (7, 4069780), (10, 2848846), (11, 2589860), (13, 2191420), (14, 2034890), (20, 1424423), (22, 1294930), (26, 1095710), (28, 1017445), (35, 813956), (44, 647465), (52, 547855), (55, 517972), (65, 438284), (70, 406978), (77, 369980), (91, 313060), (110, 258986), (130, 219142), (140, 203489), (143, 199220), (154, 184990), (182, 156530), (220, 129493), (260, 109571), (286, 99610), (308, 92495), (364, 78265), (385, 73996), (455, 62612), (572, 49805), (715, 39844), (770, 36998), (910, 31306), (1001, 28460), (1423, 20020), (1430, 19922), (1540, 18499), (1820, 15653), (2002, 14230), (2846, 10010), (2860, 9961), (4004, 7115), (5005, 5692)]