2800070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 6604416

約数和(自身を除く): 3804346

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 181, 182, 221, 238, 362, 442, 455, 595, 905, 910, 1105, 1190, 1267, 1547, 1810, 2210, 2353, 2534, 3077, 3094, 4706, 6154, 6335, 7735, 11765, 12670, 15385, 15470, 16471, 21539, 23530, 30770, 32942, 40001, 43078, 80002, 82355, 107695, 164710, 200005, 215390, 280007, 400010, 560014, 1400035, 2800070]

約数ペア:

[(1, 2800070), (2, 1400035), (5, 560014), (7, 400010), (10, 280007), (13, 215390), (14, 200005), (17, 164710), (26, 107695), (34, 82355), (35, 80002), (65, 43078), (70, 40001), (85, 32942), (91, 30770), (119, 23530), (130, 21539), (170, 16471), (181, 15470), (182, 15385), (221, 12670), (238, 11765), (362, 7735), (442, 6335), (455, 6154), (595, 4706), (905, 3094), (910, 3077), (1105, 2534), (1190, 2353), (1267, 2210), (1547, 1810)]