201330320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4001}}^1$

素因数の和:4068

約数の個数: 80

約数和(自身を含む): 509150448

約数和(自身を除く): 307820128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1480, 2516, 2960, 3145, 4001, 5032, 6290, 8002, 10064, 12580, 16004, 20005, 25160, 32008, 40010, 50320, 64016, 68017, 80020, 136034, 148037, 160040, 272068, 296074, 320080, 340085, 544136, 592148, 680170, 740185, 1088272, 1184296, 1360340, 1480370, 2368592, 2516629, 2720680, 2960740, 5033258, 5441360, 5921480, 10066516, 11842960, 12583145, 20133032, 25166290, 40266064, 50332580, 100665160, 201330320]

約数ペア:

[(1, 201330320), (2, 100665160), (4, 50332580), (5, 40266064), (8, 25166290), (10, 20133032), (16, 12583145), (17, 11842960), (20, 10066516), (34, 5921480), (37, 5441360), (40, 5033258), (68, 2960740), (74, 2720680), (80, 2516629), (85, 2368592), (136, 1480370), (148, 1360340), (170, 1184296), (185, 1088272), (272, 740185), (296, 680170), (340, 592148), (370, 544136), (592, 340085), (629, 320080), (680, 296074), (740, 272068), (1258, 160040), (1360, 148037), (1480, 136034), (2516, 80020), (2960, 68017), (3145, 64016), (4001, 50320), (5032, 40010), (6290, 32008), (8002, 25160), (10064, 20005), (12580, 16004)]