311691770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:640

約数の個数: 96

約数和(自身を含む): 678300480

約数和(自身を除く): 366608710

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 169, 170, 190, 221, 247, 323, 338, 442, 494, 571, 646, 845, 1105, 1142, 1235, 1615, 1690, 2210, 2470, 2855, 2873, 3211, 3230, 4199, 5710, 5746, 6422, 7423, 8398, 9707, 10849, 14365, 14846, 16055, 19414, 20995, 21698, 28730, 32110, 37115, 41990, 48535, 54245, 54587, 74230, 96499, 97070, 108490, 109174, 126191, 141037, 184433, 192998, 252382, 272935, 282074, 368866, 482495, 545870, 630955, 705185, 922165, 964990, 1261910, 1410370, 1640483, 1833481, 1844330, 2397629, 3280966, 3666962, 4795258, 8202415, 9167405, 11988145, 16404830, 18334810, 23976290, 31169177, 62338354, 155845885, 311691770]

約数ペア:

[(1, 311691770), (2, 155845885), (5, 62338354), (10, 31169177), (13, 23976290), (17, 18334810), (19, 16404830), (26, 11988145), (34, 9167405), (38, 8202415), (65, 4795258), (85, 3666962), (95, 3280966), (130, 2397629), (169, 1844330), (170, 1833481), (190, 1640483), (221, 1410370), (247, 1261910), (323, 964990), (338, 922165), (442, 705185), (494, 630955), (571, 545870), (646, 482495), (845, 368866), (1105, 282074), (1142, 272935), (1235, 252382), (1615, 192998), (1690, 184433), (2210, 141037), (2470, 126191), (2855, 109174), (2873, 108490), (3211, 97070), (3230, 96499), (4199, 74230), (5710, 54587), (5746, 54245), (6422, 48535), (7423, 41990), (8398, 37115), (9707, 32110), (10849, 28730), (14365, 21698), (14846, 20995), (16055, 19414)]