84181780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7639}}^1$

素因数の和:7696

約数の個数: 48

約数和(自身を含む): 192528000

約数和(自身を除く): 108346220

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 7639, 11020, 15278, 30556, 38195, 76390, 145141, 152780, 221531, 290282, 443062, 580564, 725705, 886124, 1107655, 1451410, 2215310, 2902820, 4209089, 4430620, 8418178, 16836356, 21045445, 42090890, 84181780]

約数ペア:

[(1, 84181780), (2, 42090890), (4, 21045445), (5, 16836356), (10, 8418178), (19, 4430620), (20, 4209089), (29, 2902820), (38, 2215310), (58, 1451410), (76, 1107655), (95, 886124), (116, 725705), (145, 580564), (190, 443062), (290, 290282), (380, 221531), (551, 152780), (580, 145141), (1102, 76390), (2204, 38195), (2755, 30556), (5510, 15278), (7639, 11020)]