71895430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 70353530

約数列:

[1, 2, 5, 10, 19, 38, 47, 83, 94, 95, 97, 166, 190, 194, 235, 415, 470, 485, 830, 893, 970, 1577, 1786, 1843, 3154, 3686, 3901, 4465, 4559, 7802, 7885, 8051, 8930, 9118, 9215, 15770, 16102, 18430, 19505, 22795, 39010, 40255, 45590, 74119, 80510, 86621, 148238, 152969, 173242, 305938, 370595, 378397, 433105, 741190, 756794, 764845, 866210, 1529690, 1891985, 3783970, 7189543, 14379086, 35947715, 71895430]

約数ペア:

[(1, 71895430), (2, 35947715), (5, 14379086), (10, 7189543), (19, 3783970), (38, 1891985), (47, 1529690), (83, 866210), (94, 764845), (95, 756794), (97, 741190), (166, 433105), (190, 378397), (194, 370595), (235, 305938), (415, 173242), (470, 152969), (485, 148238), (830, 86621), (893, 80510), (970, 74119), (1577, 45590), (1786, 40255), (1843, 39010), (3154, 22795), (3686, 19505), (3901, 18430), (4465, 16102), (4559, 15770), (7802, 9215), (7885, 9118), (8051, 8930)]