8785220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 19790400

約数和(自身を除く): 11005180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 379, 380, 610, 758, 1159, 1220, 1516, 1895, 2318, 3790, 4636, 5795, 7201, 7580, 11590, 14402, 23119, 23180, 28804, 36005, 46238, 72010, 92476, 115595, 144020, 231190, 439261, 462380, 878522, 1757044, 2196305, 4392610, 8785220]

約数ペア:

[(1, 8785220), (2, 4392610), (4, 2196305), (5, 1757044), (10, 878522), (19, 462380), (20, 439261), (38, 231190), (61, 144020), (76, 115595), (95, 92476), (122, 72010), (190, 46238), (244, 36005), (305, 28804), (379, 23180), (380, 23119), (610, 14402), (758, 11590), (1159, 7580), (1220, 7201), (1516, 5795), (1895, 4636), (2318, 3790)]