201847640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{761}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 480060000

約数和(自身を除く): 278212360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 349, 380, 698, 760, 761, 1396, 1522, 1745, 2792, 3044, 3490, 3805, 6088, 6631, 6980, 7610, 13262, 13960, 14459, 15220, 26524, 28918, 30440, 33155, 53048, 57836, 66310, 72295, 115672, 132620, 144590, 265240, 265589, 289180, 531178, 578360, 1062356, 1327945, 2124712, 2655890, 5046191, 5311780, 10092382, 10623560, 20184764, 25230955, 40369528, 50461910, 100923820, 201847640]

約数ペア:

[(1, 201847640), (2, 100923820), (4, 50461910), (5, 40369528), (8, 25230955), (10, 20184764), (19, 10623560), (20, 10092382), (38, 5311780), (40, 5046191), (76, 2655890), (95, 2124712), (152, 1327945), (190, 1062356), (349, 578360), (380, 531178), (698, 289180), (760, 265589), (761, 265240), (1396, 144590), (1522, 132620), (1745, 115672), (2792, 72295), (3044, 66310), (3490, 57836), (3805, 53048), (6088, 33155), (6631, 30440), (6980, 28918), (7610, 26524), (13262, 15220), (13960, 14459)]