698889220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{4261}}^1$

素因数の和:4468

約数の個数: 48

約数和(自身を含む): 1503633600

約数和(自身を除く): 804744380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 236, 278, 295, 556, 590, 695, 1180, 1390, 2780, 4261, 8201, 8522, 16402, 17044, 21305, 32804, 41005, 42610, 82010, 85220, 164020, 251399, 502798, 592279, 1005596, 1184558, 1256995, 2369116, 2513990, 2961395, 5027980, 5922790, 11845580, 34944461, 69888922, 139777844, 174722305, 349444610, 698889220]

約数ペア:

[(1, 698889220), (2, 349444610), (4, 174722305), (5, 139777844), (10, 69888922), (20, 34944461), (59, 11845580), (118, 5922790), (139, 5027980), (236, 2961395), (278, 2513990), (295, 2369116), (556, 1256995), (590, 1184558), (695, 1005596), (1180, 592279), (1390, 502798), (2780, 251399), (4261, 164020), (8201, 85220), (8522, 82010), (16402, 42610), (17044, 41005), (21305, 32804)]