19959888900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9504709}}^1$

素因数の和:9504733

約数の個数: 72

約数和(自身を含む): 66000706240

約数和(自身を除く): 46040817340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9504709, 19009418, 28514127, 38018836, 47523545, 57028254, 66532963, 95047090, 114056508, 133065926, 142570635, 190094180, 199598889, 237617725, 266131852, 285141270, 332664815, 399197778, 475235450, 570282540, 665329630, 712853175, 798395556, 950470900, 997994445, 1330659260, 1425706350, 1663324075, 1995988890, 2851412700, 3326648150, 3991977780, 4989972225, 6653296300, 9979944450, 19959888900]

約数ペア:

[(1, 19959888900), (2, 9979944450), (3, 6653296300), (4, 4989972225), (5, 3991977780), (6, 3326648150), (7, 2851412700), (10, 1995988890), (12, 1663324075), (14, 1425706350), (15, 1330659260), (20, 997994445), (21, 950470900), (25, 798395556), (28, 712853175), (30, 665329630), (35, 570282540), (42, 475235450), (50, 399197778), (60, 332664815), (70, 285141270), (75, 266131852), (84, 237617725), (100, 199598889), (105, 190094180), (140, 142570635), (150, 133065926), (175, 114056508), (210, 95047090), (300, 66532963), (350, 57028254), (420, 47523545), (525, 38018836), (700, 28514127), (1050, 19009418), (2100, 9504709)]