69819100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 167090000

約数和(自身を除く): 97270900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1249, 1300, 2150, 2236, 2498, 2795, 4300, 4996, 5590, 6245, 11180, 12490, 13975, 16237, 24980, 27950, 31225, 32474, 53707, 55900, 62450, 64948, 81185, 107414, 124900, 162370, 214828, 268535, 324740, 405925, 537070, 698191, 811850, 1074140, 1342675, 1396382, 1623700, 2685350, 2792764, 3490955, 5370700, 6981910, 13963820, 17454775, 34909550, 69819100]

約数ペア:

[(1, 69819100), (2, 34909550), (4, 17454775), (5, 13963820), (10, 6981910), (13, 5370700), (20, 3490955), (25, 2792764), (26, 2685350), (43, 1623700), (50, 1396382), (52, 1342675), (65, 1074140), (86, 811850), (100, 698191), (130, 537070), (172, 405925), (215, 324740), (260, 268535), (325, 214828), (430, 162370), (559, 124900), (650, 107414), (860, 81185), (1075, 64948), (1118, 62450), (1249, 55900), (1300, 53707), (2150, 32474), (2236, 31225), (2498, 27950), (2795, 24980), (4300, 16237), (4996, 13975), (5590, 12490), (6245, 11180)]