29103820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 67208400

約数和(自身を除く): 38104580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 139, 145, 190, 278, 290, 361, 380, 551, 556, 580, 695, 722, 1102, 1390, 1444, 1805, 2204, 2641, 2755, 2780, 3610, 4031, 5282, 5510, 7220, 8062, 10469, 10564, 11020, 13205, 16124, 20155, 20938, 26410, 40310, 41876, 50179, 52345, 52820, 76589, 80620, 100358, 104690, 153178, 200716, 209380, 250895, 306356, 382945, 501790, 765890, 1003580, 1455191, 1531780, 2910382, 5820764, 7275955, 14551910, 29103820]

約数ペア:

[(1, 29103820), (2, 14551910), (4, 7275955), (5, 5820764), (10, 2910382), (19, 1531780), (20, 1455191), (29, 1003580), (38, 765890), (58, 501790), (76, 382945), (95, 306356), (116, 250895), (139, 209380), (145, 200716), (190, 153178), (278, 104690), (290, 100358), (361, 80620), (380, 76589), (551, 52820), (556, 52345), (580, 50179), (695, 41876), (722, 40310), (1102, 26410), (1390, 20938), (1444, 20155), (1805, 16124), (2204, 13205), (2641, 11020), (2755, 10564), (2780, 10469), (3610, 8062), (4031, 7220), (5282, 5510)]