890304090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1056

約数の個数: 128

約数和(自身を含む): 2442666240

約数和(自身を除く): 1552362150

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 137, 190, 195, 247, 274, 285, 390, 411, 494, 570, 685, 741, 822, 877, 1235, 1370, 1482, 1754, 1781, 2055, 2470, 2603, 2631, 3562, 3705, 4110, 4385, 5206, 5262, 5343, 7410, 7809, 8770, 8905, 10686, 11401, 13015, 13155, 15618, 16663, 17810, 22802, 26030, 26310, 26715, 33326, 33839, 34203, 39045, 49989, 53430, 57005, 67678, 68406, 78090, 83315, 99978, 101517, 114010, 120149, 166630, 169195, 171015, 203034, 216619, 240298, 249945, 338390, 342030, 360447, 433238, 499890, 507585, 600745, 649857, 720894, 1015170, 1083095, 1201490, 1299714, 1561937, 1802235, 2166190, 2282831, 3123874, 3249285, 3604470, 4565662, 4685811, 6498570, 6848493, 7809685, 9371622, 11414155, 13696986, 15619370, 22828310, 23429055, 29676803, 34242465, 46858110, 59353606, 68484930, 89030409, 148384015, 178060818, 296768030, 445152045, 890304090]

約数ペア:

[(1, 890304090), (2, 445152045), (3, 296768030), (5, 178060818), (6, 148384015), (10, 89030409), (13, 68484930), (15, 59353606), (19, 46858110), (26, 34242465), (30, 29676803), (38, 23429055), (39, 22828310), (57, 15619370), (65, 13696986), (78, 11414155), (95, 9371622), (114, 7809685), (130, 6848493), (137, 6498570), (190, 4685811), (195, 4565662), (247, 3604470), (274, 3249285), (285, 3123874), (390, 2282831), (411, 2166190), (494, 1802235), (570, 1561937), (685, 1299714), (741, 1201490), (822, 1083095), (877, 1015170), (1235, 720894), (1370, 649857), (1482, 600745), (1754, 507585), (1781, 499890), (2055, 433238), (2470, 360447), (2603, 342030), (2631, 338390), (3562, 249945), (3705, 240298), (4110, 216619), (4385, 203034), (5206, 171015), (5262, 169195), (5343, 166630), (7410, 120149), (7809, 114010), (8770, 101517), (8905, 99978), (10686, 83315), (11401, 78090), (13015, 68406), (13155, 67678), (15618, 57005), (16663, 53430), (17810, 49989), (22802, 39045), (26030, 34203), (26310, 33839), (26715, 33326)]