28671930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:732

約数の個数: 96

約数和(自身を含む): 86531328

約数和(自身を除く): 57859398

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 71, 90, 105, 126, 142, 210, 213, 315, 355, 426, 497, 630, 639, 641, 710, 994, 1065, 1278, 1282, 1491, 1923, 2130, 2485, 2982, 3195, 3205, 3846, 4473, 4487, 4970, 5769, 6390, 6410, 7455, 8946, 8974, 9615, 11538, 13461, 14910, 19230, 22365, 22435, 26922, 28845, 40383, 44730, 44870, 45511, 57690, 67305, 80766, 91022, 134610, 136533, 201915, 227555, 273066, 318577, 403830, 409599, 455110, 637154, 682665, 819198, 955731, 1365330, 1592885, 1911462, 2047995, 2867193, 3185770, 4095990, 4778655, 5734386, 9557310, 14335965, 28671930]

約数ペア:

[(1, 28671930), (2, 14335965), (3, 9557310), (5, 5734386), (6, 4778655), (7, 4095990), (9, 3185770), (10, 2867193), (14, 2047995), (15, 1911462), (18, 1592885), (21, 1365330), (30, 955731), (35, 819198), (42, 682665), (45, 637154), (63, 455110), (70, 409599), (71, 403830), (90, 318577), (105, 273066), (126, 227555), (142, 201915), (210, 136533), (213, 134610), (315, 91022), (355, 80766), (426, 67305), (497, 57690), (630, 45511), (639, 44870), (641, 44730), (710, 40383), (994, 28845), (1065, 26922), (1278, 22435), (1282, 22365), (1491, 19230), (1923, 14910), (2130, 13461), (2485, 11538), (2982, 9615), (3195, 8974), (3205, 8946), (3846, 7455), (4473, 6410), (4487, 6390), (4970, 5769)]