311403820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{24443}}^1$

素因数の和:24479

約数の個数: 72

約数和(自身を含む): 819265104

約数和(自身を除く): 507861284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 24443, 48886, 97772, 122215, 171101, 244430, 317759, 342202, 488860, 635518, 684404, 855505, 1197707, 1271036, 1588795, 1711010, 2224313, 2395414, 3177590, 3422020, 4448626, 4790828, 5988535, 6355180, 8897252, 11121565, 11977070, 15570191, 22243130, 23954140, 31140382, 44486260, 62280764, 77850955, 155701910, 311403820]

約数ペア:

[(1, 311403820), (2, 155701910), (4, 77850955), (5, 62280764), (7, 44486260), (10, 31140382), (13, 23954140), (14, 22243130), (20, 15570191), (26, 11977070), (28, 11121565), (35, 8897252), (49, 6355180), (52, 5988535), (65, 4790828), (70, 4448626), (91, 3422020), (98, 3177590), (130, 2395414), (140, 2224313), (182, 1711010), (196, 1588795), (245, 1271036), (260, 1197707), (364, 855505), (455, 684404), (490, 635518), (637, 488860), (910, 342202), (980, 317759), (1274, 244430), (1820, 171101), (2548, 122215), (3185, 97772), (6370, 48886), (12740, 24443)]