298806820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 703836000

約数和(自身を除く): 405029180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 89, 130, 148, 178, 185, 260, 349, 356, 370, 445, 481, 698, 740, 890, 962, 1157, 1396, 1745, 1780, 1924, 2314, 2405, 3293, 3490, 4537, 4628, 4810, 5785, 6586, 6980, 9074, 9620, 11570, 12913, 13172, 16465, 18148, 22685, 23140, 25826, 31061, 32930, 42809, 45370, 51652, 62122, 64565, 65860, 85618, 90740, 124244, 129130, 155305, 167869, 171236, 214045, 258260, 310610, 335738, 403793, 428090, 621220, 671476, 807586, 839345, 856180, 1149257, 1615172, 1678690, 2018965, 2298514, 3357380, 4037930, 4597028, 5746285, 8075860, 11492570, 14940341, 22985140, 29880682, 59761364, 74701705, 149403410, 298806820]

約数ペア:

[(1, 298806820), (2, 149403410), (4, 74701705), (5, 59761364), (10, 29880682), (13, 22985140), (20, 14940341), (26, 11492570), (37, 8075860), (52, 5746285), (65, 4597028), (74, 4037930), (89, 3357380), (130, 2298514), (148, 2018965), (178, 1678690), (185, 1615172), (260, 1149257), (349, 856180), (356, 839345), (370, 807586), (445, 671476), (481, 621220), (698, 428090), (740, 403793), (890, 335738), (962, 310610), (1157, 258260), (1396, 214045), (1745, 171236), (1780, 167869), (1924, 155305), (2314, 129130), (2405, 124244), (3293, 90740), (3490, 85618), (4537, 65860), (4628, 64565), (4810, 62122), (5785, 51652), (6586, 45370), (6980, 42809), (9074, 32930), (9620, 31061), (11570, 25826), (12913, 23140), (13172, 22685), (16465, 18148)]