207831222980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{1377643}}^1$

素因数の和:1378068

約数の個数: 48

約数和(自身を含む): 460573942080

約数和(自身を除く): 252742719100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 794, 1588, 1985, 3970, 7543, 7940, 15086, 30172, 37715, 75430, 150860, 1377643, 2755286, 5510572, 6888215, 13776430, 26175217, 27552860, 52350434, 104700868, 130876085, 261752170, 523504340, 546924271, 1093848542, 2187697084, 2734621355, 5469242710, 10391561149, 10938485420, 20783122298, 41566244596, 51957805745, 103915611490, 207831222980]

約数ペア:

[(1, 207831222980), (2, 103915611490), (4, 51957805745), (5, 41566244596), (10, 20783122298), (19, 10938485420), (20, 10391561149), (38, 5469242710), (76, 2734621355), (95, 2187697084), (190, 1093848542), (380, 546924271), (397, 523504340), (794, 261752170), (1588, 130876085), (1985, 104700868), (3970, 52350434), (7543, 27552860), (7940, 26175217), (15086, 13776430), (30172, 6888215), (37715, 5510572), (75430, 2755286), (150860, 1377643)]