1230704020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{676211}}^1$

素因数の和:676240

約数の個数: 48

約数和(自身を含む): 3180901248

約数和(自身を除く): 1950197228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 676211, 1352422, 2704844, 3381055, 4733477, 6762110, 8790743, 9466954, 13524220, 17581486, 18933908, 23667385, 35162972, 43953715, 47334770, 61535201, 87907430, 94669540, 123070402, 175814860, 246140804, 307676005, 615352010, 1230704020]

約数ペア:

[(1, 1230704020), (2, 615352010), (4, 307676005), (5, 246140804), (7, 175814860), (10, 123070402), (13, 94669540), (14, 87907430), (20, 61535201), (26, 47334770), (28, 43953715), (35, 35162972), (52, 23667385), (65, 18933908), (70, 17581486), (91, 13524220), (130, 9466954), (140, 8790743), (182, 6762110), (260, 4733477), (364, 3381055), (455, 2704844), (910, 1352422), (1820, 676211)]