219155440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1511}}^1$

素因数の和:1575

約数の個数: 120

約数和(自身を含む): 609148512

約数和(自身を除く): 389993072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 980, 1036, 1295, 1480, 1511, 1813, 1960, 2072, 2590, 2960, 3022, 3626, 3920, 4144, 5180, 6044, 7252, 7555, 9065, 10360, 10577, 12088, 14504, 15110, 18130, 20720, 21154, 24176, 29008, 30220, 36260, 42308, 52885, 55907, 60440, 72520, 74039, 84616, 105770, 111814, 120880, 145040, 148078, 169232, 211540, 223628, 279535, 296156, 370195, 391349, 423080, 447256, 559070, 592312, 740390, 782698, 846160, 894512, 1118140, 1184624, 1480780, 1565396, 1956745, 2236280, 2739443, 2961560, 3130792, 3913490, 4472560, 5478886, 5923120, 6261584, 7826980, 10957772, 13697215, 15653960, 21915544, 27394430, 31307920, 43831088, 54788860, 109577720, 219155440]

約数ペア:

[(1, 219155440), (2, 109577720), (4, 54788860), (5, 43831088), (7, 31307920), (8, 27394430), (10, 21915544), (14, 15653960), (16, 13697215), (20, 10957772), (28, 7826980), (35, 6261584), (37, 5923120), (40, 5478886), (49, 4472560), (56, 3913490), (70, 3130792), (74, 2961560), (80, 2739443), (98, 2236280), (112, 1956745), (140, 1565396), (148, 1480780), (185, 1184624), (196, 1118140), (245, 894512), (259, 846160), (280, 782698), (296, 740390), (370, 592312), (392, 559070), (490, 447256), (518, 423080), (560, 391349), (592, 370195), (740, 296156), (784, 279535), (980, 223628), (1036, 211540), (1295, 169232), (1480, 148078), (1511, 145040), (1813, 120880), (1960, 111814), (2072, 105770), (2590, 84616), (2960, 74039), (3022, 72520), (3626, 60440), (3920, 55907), (4144, 52885), (5180, 42308), (6044, 36260), (7252, 30220), (7555, 29008), (9065, 24176), (10360, 21154), (10577, 20720), (12088, 18130), (14504, 15110)]